Classes of Amphibians, Reptiles, and Mammals
Download as PPTX, PDF5 likes1,374 views
Class of Amphibians, Class of Reptiles, and Class of Mammals! Follow me on Twitter and Instagram @jennilynagwych
1 of 65
Downloaded 42 times
Recommended
Anatomy of Finfish 2nd sem (full syllabus)
Anatomy of Finfish 2nd sem (full syllabus)SHUBHAM PATIDAR FISHERIES ADDAA
油
The document provides information on the external and internal anatomy of finfish. It discusses the ten body systems of fish and the three main classes of fish - Agnatha, Chondrichthyes, and Osteichthyes. It describes the external anatomy including common body forms, body covering, scales, and fins. It details the internal anatomy covering organs like the brain, esophagus, stomach, and more. It also discusses the structure, types, and arrangements of scales and fins in more detail.FISH FEEDING HABITS.pptx
FISH FEEDING HABITS.pptxSittieNorAsiahJabir
油
Here are the answers to the quiz questions:
1. The different feeding habits of fish are:
- Herbivores - feed exclusively on plant materials
- Carnivores - feed exclusively on animal matter
- Omnivores - derive nutrients from both plants and animals
- Planktivores - feed on plankton like bacteria, algae, etc.
- Detritivores - feed on decaying organic matter
2. The feeding behaviors of fish are:
- Predators - actively hunt and pursue prey using vision, smell, etc.
- Grazers - feed on bottom organisms by browsing and nibbling continuously
- Strainers - filter feeders that filter organisms from waterFACTORS RELATED TO FISH BREEDING 
FACTORS RELATED TO FISH BREEDING AsrafurTalha1
油
Fish breeding requires mature male and female fish in a suitable environment and season. There are two types of fish breeding: natural breeding which occurs instinctually in nature, and artificial breeding where humans control the environment and induce breeding. Factors that influence fish breeding include endocrine control, environmental conditions, physiological processes, nutrition status, stress levels, and ecological factors. Hormones released by the hypothalamus and pituitary glands govern key reproductive processes. Environmental conditions like temperature, photoperiod, tides, and water parameters also impact breeding. Physiological changes and energy mobilization are regulated by hormones as well.Applied genetics of cultured fishes
Applied genetics of cultured fishesanniesj
油
1) The document discusses the increasing global demand for fish and the role of aquaculture in meeting this demand. It notes that fish consumption has doubled since the 1950s and aquaculture is becoming increasingly important.
2) It provides an overview of fish genetics and its application to aquaculture, including selective breeding techniques to improve genetic stocks, transgenic fish, and DNA vaccines. Chromosomal manipulation techniques like gynogenesis, androgenesis, and polyploidy are also covered.
3) The conclusion states that while Indian fisheries science has made progress in genetics research, more work is still needed to commercialize techniques and generate applied products and processes to further develop aquaculture and fisheries management.ORDER :- CYPRINIFORMES
ORDER :- CYPRINIFORMESsujithps18
油
This document provides information on taxonomies of commercially important fish belonging to the order Cypriniformes. It begins by describing the order Cypriniformes, which contains over 3000 species of freshwater fish divided among characins, electric eels, and carps. It then lists the main families in this order including Cyprinidae, which is the largest family containing carps and minnows. The document proceeds to provide more detailed information on taxonomy and characteristics of several commercially important species within the family Cyprinidae, including the rohu, catla, common carp, grass carp, and mrigal carp.Food and feeding habits of larvae of finfishes ppt
Food and feeding habits of larvae of finfishes pptCollege of Fisheries Mangaluru
油
This document discusses the feeding habits and nutritional requirements of fish at different life stages. It begins by explaining that fish require energy, amino acids, fatty acids, vitamins, and minerals to sustain life and promote growth. It then discusses the feeding behaviors and nutritional needs of fish larvae, including their underdeveloped digestive systems and reliance on plankton and zooplankton. The document also categorizes different types of food sources for fish and classifies fish based on their dependence on food types and positions in the water column. Specific examples are provided of the feeding behaviors of fish larvae, juveniles, and adults.Management of fish production
Management of fish productionRavi Kumar
油
This document discusses various aspects of fisheries management including its aims, principles, factors to consider, tools, and advantages. Effective fisheries management requires understanding species, populations, environmental impacts, and implementing measures like regulated fishing, habitat improvements, and monitoring to balance exploitation with sustainable populations. Key goals are providing catch while maintaining populations above biological limits to prevent stock declines.Introduction to fisheries and aquaculture
Introduction to fisheries and aquacultureOsama Zahid
油
This document discusses fisheries science and trends in fisheries production globally and in Pakistan. Key points include:
- World fish production in 2001 was 130 million tons, with 37 million from aquaculture and 92 million captured. China leads production.
- Fisheries provide food for 950 million people and 200 million jobs globally.
- Pakistan has rich fisheries resources but the sector contributes only 0.8% to GDP. Most caught fish is exported while domestic demand is only met at 1.6 kg per person annually compared to a global average of 16 kg.
- Pakistan has marine fisheries along its 100 km coastline and abundant freshwater fisheries in rivers and lakes. However, the fisheries department isMigration in fishes
Migration in fishesDr. Karri Ramarao
油
Catadromous migration: The movement of large number of individuals from fresh water to sea water, generally for spawning as happens in the case of eels.
Anadromous fishes live and feed in ocean waters but their spawning grounds lie in the tributaries of rivers.
油Coldwater fisheries in India
Coldwater fisheries in IndiaVaishaliC4
油
This document discusses cold water fisheries in India. It describes the temperature range for cold water fisheries (5-25属C) and notes that states like Kashmir, Himachal Pradesh, and Uttarakhand are well-suited for cold water fisheries. It identifies important cold water fish species in India like various types of mahseer and trout. Mahseer can grow up to 1.5 meters long and breed from July to September. Trout generally feed on other fish and aquatic invertebrates. Cold water fisheries provide income, employment, and food for local populations and have significant potential to contribute to India's fisheries sector and economy.Fish health management in aquaculture
Fish health management in aquacultureSantosh Kumar Sahoo
油
Introduction
Fish Health Management GOALS
Principles of fish health management
Factors affecting fish health
Common symptoms of diseases
General preventive measures
Proper Health Management through manipulating the disease triangle
Conclusion
ReferencesFrog culture
Frog cultureramkumarlodhi3
油
This document provides information about frog farming and culture in India. It discusses induced breeding techniques, rearing hatchlings and tadpoles, stocking culture ponds, feeding frogs, and yields. Frog farming was first established in India in 1957 but stopped in 1980 due to unhygienic conditions. The major frog species farmed are Rana tigrina, R. hexadectyla and R. cressa, with R. tigrina contributing 75% of exports. Frog farming can provide economic benefits and frogs help control mosquitos and maintain environmental balance.Fish diseases
Fish diseasesDr. Karri Ramarao
油
This document discusses fish diseases categorized into parasitic, nutritional, protozoan, helminth, crustacean, fungal, bacterial, and viral diseases. It provides detailed information on the causative agents, symptoms, and recommended treatments for various diseases that affect fish, such as ichthyophthiriasis, costiasis, whirling disease, gyrodactylus, saprolegniasis, furunculosis, tuberculosis, and infectious pancreatic necrosis. The document is authored by Dr. K. Rama Rao and appears to be a reference text on fish pathology and diseases.Fish
Fishewaszolek
油
This document provides an overview of fish classification and types. It discusses the three main classes of fish: Agnatha (jawless fish such as lampreys and hagfish), Chondrichthyes (cartilaginous fish like sharks and rays), and Osteichthyes (bony fish including over 20,000 species such as salmon and tuna). Key details are provided on characteristics like respiration, circulation, adaptations, and reproduction for the different fish classes. Examples of specific fish species are also mentioned like coelacanth, cichlids, pufferfish, and fugu.Fish and shellfish_disease
Fish and shellfish_diseaseSHUBHAM PATIDAR FISHERIES ADDAA
油
This document discusses fish and shellfish diseases. It defines pathology as the study of disease and causative agents. Diseases occur due to changes in the environment that disrupt the balance between hosts, pathogens, and the environment. There are two types of pathogens - obligate pathogens that always cause disease when present, and opportunistic pathogens that only cause disease when other stressors are present. Stress is defined as the body's response to maintain homeostasis in response to forces, and the general adaptation syndrome describes the three stages of alarm reaction, resistance, and exhaustion that organisms go through in response to stressors. Inflammation is also discussed, including the signs in higher vertebrates and the inflammatory response in fish. Acute and chronicClosed seasons and its significance in fishing
Closed seasons and its significance in fishingCollege of Fisheries Mangaluru
油
Closed fishing seasons are imposed during spawning periods to protect fish populations from overexploitation. They allow fish to spawn and replenish stocks without fishing pressure. Historically, closed seasons developed in India through conflicts between small-scale and mechanized fishing fleets over access to resources. States implemented varying closed seasons, undermining conservation efforts. Eventually, a uniform 61-day ban was implemented across India's exclusive economic zone to regulate fishing pressure and coordinate management across state waters. Closed seasons aim to sustain fishery resources and livelihoods but can economically impact fishermen during the ban period when alternative incomes are limited in coastal areas.Diseases of fish
Diseases of fishramkumarlodhi3
油
This document summarizes several common diseases that affect fish, including dropsy, tail/fin rot, eye diseases, furunculosis, costiasis, white spot, fungal diseases, and swim bladder disease. It describes the causes and symptoms of each disease as well as recommended treatment and control methods to cure infections and prevent their spread. Maintaining clean water and proper nutrition are important for fish health and to avoid disease outbreaks. Left untreated, many of these diseases can cause severe illness or death in infected fish.Hybridization in fishes
Hybridization in fishesDeevya Choudhary
油
Hybridization refers to breeding between different species or genera of fish. It commonly occurs naturally in fish since they release eggs and sperm into water, allowing for external fertilization. This has led to many natural hybrids being found among closely related fish families that live in the same habitats. Artificial hybridization is also used in aquaculture to combine desirable traits from parent species. Outcomes can be diploid or triploid hybrids with intermediate characteristics.Crocodiles
CrocodilesImran Rakib
油
Crocodiles(Crocodilis)are large aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.
Hatchery Components of Fin fish and Shrimp
Hatchery Components of Fin fish and ShrimpAsrafurTalha1
油
There are three main components of fish and shrimp hatcheries: physical, chemical, and biological. Physical components include the land area, tanks, water systems, aeration, lighting, kitchen facilities, and ponds. Chemical components are hormones and drugs used to induce spawning. Biological components are the various fish and shrimp species bred in hatcheries. For finfish, hatcheries also have indoor and outdoor facilities. Shrimp hatcheries require site selection, water supply, power, and climate control. Facilities include maturation, spawning, larval rearing, and live food tanks. Problems can include insufficient water, manpower shortages, electricity issues, and water quality control. Proper maintenance, staff training, and equipmentFish nutrition and feed technology 4th sem (full sylabus)
Fish nutrition and feed technology 4th sem (full sylabus)SHUBHAM PATIDAR FISHERIES ADDAA
油
This document discusses fish nutrition and feed technology. It covers fundamentals of fish nutrition including the importance of proper nutrition for fish farming. Fish require proteins, lipids, carbohydrates, vitamins and minerals for healthy growth. Energy is also essential and is derived from dietary nutrients. The document outlines various forms of energy partitioning in fish and methods of energy metabolism. It discusses laws of thermodynamics and units of energy measurement. Feed formulation involves balancing protein, energy and amino acid levels. The steps in feed formulation include initial protein and energy balancing, checking indispensable amino acid levels, and consideration of additives.Introduction of exotic species in india
Introduction of exotic species in indiaKRISHNA Jaiswal
油
The document discusses the introduction of exotic fish species in Indian aquaculture. It provides examples of exotic species introduced, such as common carp, bighead carp, tilapia, and white leg shrimp. While the introduction of exotic species provided some economic benefits, it also caused ecological impacts like competition with native species, loss of biodiversity, and transmission of diseases. Proper management of introductions is needed to balance benefits with minimizing risks to the environment.heredity fish disease 
heredity fish disease As Siyam
油
This document provides information about hereditary fish diseases presented by a student group. It discusses several hereditary diseases including dropsy caused by bacteria or viruses, fish tuberculosis caused by mycobacteria bacteria, deformities which can be hereditary or due to environmental factors, albinism which is a genetic lack of pigmentation, tumors and cancers which can be due to genetic or viral factors, and eye diseases like fish-eye disease which is an autosomal recessive condition caused by mutations in the LCAT gene. Causes, symptoms, diagnosis and treatments are described for each condition.TYPE OF FISHING
TYPE OF FISHINGMr. Balwant Singh
油
This document discusses different types of fishing methods. It begins by defining fishing and fishing equipment. There are two main types of fishing: without gear (hand fishing) and with gear (gear fishing). Fishing methods that use gear include nets, traps, line fishing, fish attraction devices, and electrical fishing. The most common fishing method is net fishing, which accounts for 67% of fishing in India and 54% worldwide. Other major fishing methods include fish screening, fish trapping, and line fishing. The document provides details on specific net fishing techniques like gill nets, purse seines, and trawls. It also describes traps, line fishing, and the use of fish attraction devices.CARP CULTURE 2.pptx
CARP CULTURE 2.pptxAkshitaMengi12
油
This document provides information about carp culture and the selection of major carps for aquaculture. It discusses that carp culture is one of the oldest forms of aquaculture and major carps like Catla catla, Labeo rohita, and Cirrhina mrigala contribute over 85% of aquaculture production in India. The document outlines various factors to consider for site selection such as soil type, water availability, and proximity to markets. It also provides details on pond construction and conditioning, and criteria for selecting suitable carps for culture like growth rate, tolerance levels, and consumer preference.Natural fish seed collection
Natural fish seed collectionDegonto Islam
油
Transport of hatchlings, fry, and fingerlings is common in aquaculture. Proper techniques involve understanding fish physiology and mortality causes during transport. Seed can be collected from wild or hatcheries. Major carps are collected from flooded rivers during monsoon season. Seed from estuaries and coastal waters include milkfish, mullets, pearlspot, and seabass. Bundhs are seasonal flooded areas that stimulate breeding. Induced spawning techniques breed species that don't spawn in captivity using hormones. Transport uses open or closed oxygenated systems. Factors causing mortality are oxygen depletion, waste accumulation, temperature fluctuations, and stress. Anaesthetics and antibiotics are used to reduce stress and prevent disease.Food and feeding habit of shellfishes
Food and feeding habit of shellfishesChhotokisku
油
This document discusses the food and feeding habits of various shellfish species. It begins by defining shellfish and dividing them into two phyla - Arthropoda and Mollusca. For each major shellfish type (crustaceans, bivalves, gastropods, cephalopods), the document provides examples of species and describes their classification, distribution, habitat, and food/feeding behaviors. Specific species covered include crabs, shrimp, lobsters, clams, mussels, oysters, and pearl oysters. The document emphasizes that most shellfish are filter feeders that consume plankton, algae, plants, and small aquatic organisms.Trawl fishery of juvenile fishes and its impact on fish stock credit seminar ...
Trawl fishery of juvenile fishes and its impact on fish stock credit seminar ...College of Fisheries, KVAFSU, Mangalore, Karnataka
油
The document summarizes research on the trawl fishery of juvenile fishes in Karnataka, India and its impact on fish stocks. It finds that trawling catches significant quantities of juvenile fish, especially Nemipterus mesoprion and threadfin breams. An estimated 27.8% of the total trawl catch at main landing centers in Karnataka consists of low-value fish and juveniles. Catches of juvenile groupers, seerfishes, and Epinephelus diacanthus were especially high. The study estimates that reducing juvenile fishing could increase fish yields by 7-20% and revenues by 23-29% for important commercial species. It recommends using spatial and temporal catch dataAnimals
AnimalsVictoria Moya Pichardo
油
This document defines and classifies animals. It discusses that animals are living things that can move on their own and are typically multicellular, have specialized sense organs, voluntary movement, and can acquire and digest food. It then classifies animals based on presence of a backbone (vertebrates like fish, amphibians, reptiles, birds, mammals vs. invertebrates like worms, insects) and discusses characteristics of different animal groups. The document also describes warm-blooded and cold-blooded animals, different animal behaviors and uses.Reptiles, Birds And Mammals
Reptiles, Birds And MammalsTia Hohler
油
The document discusses three key adaptations - amniotic eggs, internal fertilization, and water-tight skin - that allowed reptiles, birds, and mammals to thrive on land. It then describes the diversity of living reptiles, birds, and mammals, including their physical traits and behaviors that enabled each group to occupy different ecological niches on land and aerial habitats. The document traces the evolutionary history and relationships between these groups, noting that birds and crocodilians are more closely related to dinosaurs, while mammals evolved from reptile ancestors called therapsids.More Related Content
What's hot (20)
Migration in fishes
Migration in fishesDr. Karri Ramarao
油
Catadromous migration: The movement of large number of individuals from fresh water to sea water, generally for spawning as happens in the case of eels.
Anadromous fishes live and feed in ocean waters but their spawning grounds lie in the tributaries of rivers.
油Coldwater fisheries in India
Coldwater fisheries in IndiaVaishaliC4
油
This document discusses cold water fisheries in India. It describes the temperature range for cold water fisheries (5-25属C) and notes that states like Kashmir, Himachal Pradesh, and Uttarakhand are well-suited for cold water fisheries. It identifies important cold water fish species in India like various types of mahseer and trout. Mahseer can grow up to 1.5 meters long and breed from July to September. Trout generally feed on other fish and aquatic invertebrates. Cold water fisheries provide income, employment, and food for local populations and have significant potential to contribute to India's fisheries sector and economy.Fish health management in aquaculture
Fish health management in aquacultureSantosh Kumar Sahoo
油
Introduction
Fish Health Management GOALS
Principles of fish health management
Factors affecting fish health
Common symptoms of diseases
General preventive measures
Proper Health Management through manipulating the disease triangle
Conclusion
ReferencesFrog culture
Frog cultureramkumarlodhi3
油
This document provides information about frog farming and culture in India. It discusses induced breeding techniques, rearing hatchlings and tadpoles, stocking culture ponds, feeding frogs, and yields. Frog farming was first established in India in 1957 but stopped in 1980 due to unhygienic conditions. The major frog species farmed are Rana tigrina, R. hexadectyla and R. cressa, with R. tigrina contributing 75% of exports. Frog farming can provide economic benefits and frogs help control mosquitos and maintain environmental balance.Fish diseases
Fish diseasesDr. Karri Ramarao
油
This document discusses fish diseases categorized into parasitic, nutritional, protozoan, helminth, crustacean, fungal, bacterial, and viral diseases. It provides detailed information on the causative agents, symptoms, and recommended treatments for various diseases that affect fish, such as ichthyophthiriasis, costiasis, whirling disease, gyrodactylus, saprolegniasis, furunculosis, tuberculosis, and infectious pancreatic necrosis. The document is authored by Dr. K. Rama Rao and appears to be a reference text on fish pathology and diseases.Fish
Fishewaszolek
油
This document provides an overview of fish classification and types. It discusses the three main classes of fish: Agnatha (jawless fish such as lampreys and hagfish), Chondrichthyes (cartilaginous fish like sharks and rays), and Osteichthyes (bony fish including over 20,000 species such as salmon and tuna). Key details are provided on characteristics like respiration, circulation, adaptations, and reproduction for the different fish classes. Examples of specific fish species are also mentioned like coelacanth, cichlids, pufferfish, and fugu.Fish and shellfish_disease
Fish and shellfish_diseaseSHUBHAM PATIDAR FISHERIES ADDAA
油
This document discusses fish and shellfish diseases. It defines pathology as the study of disease and causative agents. Diseases occur due to changes in the environment that disrupt the balance between hosts, pathogens, and the environment. There are two types of pathogens - obligate pathogens that always cause disease when present, and opportunistic pathogens that only cause disease when other stressors are present. Stress is defined as the body's response to maintain homeostasis in response to forces, and the general adaptation syndrome describes the three stages of alarm reaction, resistance, and exhaustion that organisms go through in response to stressors. Inflammation is also discussed, including the signs in higher vertebrates and the inflammatory response in fish. Acute and chronicClosed seasons and its significance in fishing
Closed seasons and its significance in fishingCollege of Fisheries Mangaluru
油
Closed fishing seasons are imposed during spawning periods to protect fish populations from overexploitation. They allow fish to spawn and replenish stocks without fishing pressure. Historically, closed seasons developed in India through conflicts between small-scale and mechanized fishing fleets over access to resources. States implemented varying closed seasons, undermining conservation efforts. Eventually, a uniform 61-day ban was implemented across India's exclusive economic zone to regulate fishing pressure and coordinate management across state waters. Closed seasons aim to sustain fishery resources and livelihoods but can economically impact fishermen during the ban period when alternative incomes are limited in coastal areas.Diseases of fish
Diseases of fishramkumarlodhi3
油
This document summarizes several common diseases that affect fish, including dropsy, tail/fin rot, eye diseases, furunculosis, costiasis, white spot, fungal diseases, and swim bladder disease. It describes the causes and symptoms of each disease as well as recommended treatment and control methods to cure infections and prevent their spread. Maintaining clean water and proper nutrition are important for fish health and to avoid disease outbreaks. Left untreated, many of these diseases can cause severe illness or death in infected fish.Hybridization in fishes
Hybridization in fishesDeevya Choudhary
油
Hybridization refers to breeding between different species or genera of fish. It commonly occurs naturally in fish since they release eggs and sperm into water, allowing for external fertilization. This has led to many natural hybrids being found among closely related fish families that live in the same habitats. Artificial hybridization is also used in aquaculture to combine desirable traits from parent species. Outcomes can be diploid or triploid hybrids with intermediate characteristics.Crocodiles
CrocodilesImran Rakib
油
Crocodiles(Crocodilis)are large aquatic reptiles that live throughout the tropics in Africa, Asia, the Americas and Australia.
Hatchery Components of Fin fish and Shrimp
Hatchery Components of Fin fish and ShrimpAsrafurTalha1
油
There are three main components of fish and shrimp hatcheries: physical, chemical, and biological. Physical components include the land area, tanks, water systems, aeration, lighting, kitchen facilities, and ponds. Chemical components are hormones and drugs used to induce spawning. Biological components are the various fish and shrimp species bred in hatcheries. For finfish, hatcheries also have indoor and outdoor facilities. Shrimp hatcheries require site selection, water supply, power, and climate control. Facilities include maturation, spawning, larval rearing, and live food tanks. Problems can include insufficient water, manpower shortages, electricity issues, and water quality control. Proper maintenance, staff training, and equipmentFish nutrition and feed technology 4th sem (full sylabus)
Fish nutrition and feed technology 4th sem (full sylabus)SHUBHAM PATIDAR FISHERIES ADDAA
油
This document discusses fish nutrition and feed technology. It covers fundamentals of fish nutrition including the importance of proper nutrition for fish farming. Fish require proteins, lipids, carbohydrates, vitamins and minerals for healthy growth. Energy is also essential and is derived from dietary nutrients. The document outlines various forms of energy partitioning in fish and methods of energy metabolism. It discusses laws of thermodynamics and units of energy measurement. Feed formulation involves balancing protein, energy and amino acid levels. The steps in feed formulation include initial protein and energy balancing, checking indispensable amino acid levels, and consideration of additives.Introduction of exotic species in india
Introduction of exotic species in indiaKRISHNA Jaiswal
油
The document discusses the introduction of exotic fish species in Indian aquaculture. It provides examples of exotic species introduced, such as common carp, bighead carp, tilapia, and white leg shrimp. While the introduction of exotic species provided some economic benefits, it also caused ecological impacts like competition with native species, loss of biodiversity, and transmission of diseases. Proper management of introductions is needed to balance benefits with minimizing risks to the environment.heredity fish disease
heredity fish disease As Siyam
油
This document provides information about hereditary fish diseases presented by a student group. It discusses several hereditary diseases including dropsy caused by bacteria or viruses, fish tuberculosis caused by mycobacteria bacteria, deformities which can be hereditary or due to environmental factors, albinism which is a genetic lack of pigmentation, tumors and cancers which can be due to genetic or viral factors, and eye diseases like fish-eye disease which is an autosomal recessive condition caused by mutations in the LCAT gene. Causes, symptoms, diagnosis and treatments are described for each condition.TYPE OF FISHING
TYPE OF FISHINGMr. Balwant Singh
油
This document discusses different types of fishing methods. It begins by defining fishing and fishing equipment. There are two main types of fishing: without gear (hand fishing) and with gear (gear fishing). Fishing methods that use gear include nets, traps, line fishing, fish attraction devices, and electrical fishing. The most common fishing method is net fishing, which accounts for 67% of fishing in India and 54% worldwide. Other major fishing methods include fish screening, fish trapping, and line fishing. The document provides details on specific net fishing techniques like gill nets, purse seines, and trawls. It also describes traps, line fishing, and the use of fish attraction devices.CARP CULTURE 2.pptx
CARP CULTURE 2.pptxAkshitaMengi12
油
This document provides information about carp culture and the selection of major carps for aquaculture. It discusses that carp culture is one of the oldest forms of aquaculture and major carps like Catla catla, Labeo rohita, and Cirrhina mrigala contribute over 85% of aquaculture production in India. The document outlines various factors to consider for site selection such as soil type, water availability, and proximity to markets. It also provides details on pond construction and conditioning, and criteria for selecting suitable carps for culture like growth rate, tolerance levels, and consumer preference.Natural fish seed collection
Natural fish seed collectionDegonto Islam
油
Transport of hatchlings, fry, and fingerlings is common in aquaculture. Proper techniques involve understanding fish physiology and mortality causes during transport. Seed can be collected from wild or hatcheries. Major carps are collected from flooded rivers during monsoon season. Seed from estuaries and coastal waters include milkfish, mullets, pearlspot, and seabass. Bundhs are seasonal flooded areas that stimulate breeding. Induced spawning techniques breed species that don't spawn in captivity using hormones. Transport uses open or closed oxygenated systems. Factors causing mortality are oxygen depletion, waste accumulation, temperature fluctuations, and stress. Anaesthetics and antibiotics are used to reduce stress and prevent disease.Food and feeding habit of shellfishes
Food and feeding habit of shellfishesChhotokisku
油
This document discusses the food and feeding habits of various shellfish species. It begins by defining shellfish and dividing them into two phyla - Arthropoda and Mollusca. For each major shellfish type (crustaceans, bivalves, gastropods, cephalopods), the document provides examples of species and describes their classification, distribution, habitat, and food/feeding behaviors. Specific species covered include crabs, shrimp, lobsters, clams, mussels, oysters, and pearl oysters. The document emphasizes that most shellfish are filter feeders that consume plankton, algae, plants, and small aquatic organisms.Trawl fishery of juvenile fishes and its impact on fish stock credit seminar ...
Trawl fishery of juvenile fishes and its impact on fish stock credit seminar ...College of Fisheries, KVAFSU, Mangalore, Karnataka
油
The document summarizes research on the trawl fishery of juvenile fishes in Karnataka, India and its impact on fish stocks. It finds that trawling catches significant quantities of juvenile fish, especially Nemipterus mesoprion and threadfin breams. An estimated 27.8% of the total trawl catch at main landing centers in Karnataka consists of low-value fish and juveniles. Catches of juvenile groupers, seerfishes, and Epinephelus diacanthus were especially high. The study estimates that reducing juvenile fishing could increase fish yields by 7-20% and revenues by 23-29% for important commercial species. It recommends using spatial and temporal catch dataTrawl fishery of juvenile fishes and its impact on fish stock credit seminar ...
Trawl fishery of juvenile fishes and its impact on fish stock credit seminar ...College of Fisheries, KVAFSU, Mangalore, Karnataka
油
Similar to Classes of Amphibians, Reptiles, and Mammals (20)
Animals
AnimalsVictoria Moya Pichardo
油
This document defines and classifies animals. It discusses that animals are living things that can move on their own and are typically multicellular, have specialized sense organs, voluntary movement, and can acquire and digest food. It then classifies animals based on presence of a backbone (vertebrates like fish, amphibians, reptiles, birds, mammals vs. invertebrates like worms, insects) and discusses characteristics of different animal groups. The document also describes warm-blooded and cold-blooded animals, different animal behaviors and uses.Reptiles, Birds And Mammals
Reptiles, Birds And MammalsTia Hohler
油
The document discusses three key adaptations - amniotic eggs, internal fertilization, and water-tight skin - that allowed reptiles, birds, and mammals to thrive on land. It then describes the diversity of living reptiles, birds, and mammals, including their physical traits and behaviors that enabled each group to occupy different ecological niches on land and aerial habitats. The document traces the evolutionary history and relationships between these groups, noting that birds and crocodilians are more closely related to dinosaurs, while mammals evolved from reptile ancestors called therapsids.Vertebrates
Vertebratescarlphilip
油
- Most fish breathe through gills and have skeletons made of bone or cartilage. They propel themselves through water using tail fins and other fins. Fish come in a wide variety of sizes, from less than an inch to over 60 feet long.
- Reptiles are air-breathing vertebrates covered in scales that lay eggs. Examples are crocodiles, lizards, snakes, turtles, and tortoises. They are often cold-blooded and regulate temperature behaviorally.
- Birds are feathered flying animals with wings, beaks, and lightweight skeletons adapted for flight. Their respiratory and skeletal systems are specialized for flying.Kingdom Animalia - Vertebrates
Kingdom Animalia - VertebratesPablo Le坦n Cruz
油
This document summarizes the classification of vertebrate animals. It describes five groups: fish, amphibians, reptiles, birds, and mammals. For each group, it outlines key distinguishing characteristics, such as their skeletal structure, skin/scales, limbs, reproduction methods, temperature regulation, habitats and examples of common animals in each group. It also describes some subgroups within each main category, such as bony fish vs. cartilaginous fish, and anurans vs. urodeles for amphibians.Animals
Animalssermasga
油
The document summarizes different types of animals. It discusses that there are two main types: vertebrate animals which have a skeleton, and invertebrate animals which do not have a skeleton made of bones. It also describes characteristics of specific animal groups like mammals, fish, amphibians, reptiles, birds, worms, mollusks and insects.Animal classification ayush
Animal classification ayushBINOD KUMAR Singh
油
The document describes the different types of animals classified based on their physical structures. It discusses that animals are broadly divided into two types - vertebrates and invertebrates. Vertebrates have backbones, while invertebrates do not. Among vertebrates, it describes the five classes - Pisces (fish), Amphibians, Reptiles, Aves (birds), and Mammals. It provides characteristics of each class. Invertebrates include sponges, jellyfish, starfish, worms, mollusks, and arthropods like insects and spiders.Animals science 1尊 drill
Animals science 1尊 drillIs Ac
油
This document categorizes and describes different types of animals. It discusses vertebrates like mammals, birds, reptiles, amphibians, and fish, which have skeletons, and lays out some of their key characteristics. It also covers invertebrates like insects, which do not have skeletons. Finally, it briefly mentions how some animals move and their diets.Transitional forms chapter 2.3 mammal ancestors morganucodon to platypus ...
Transitional forms chapter 2.3 mammal ancestors morganucodon to platypus ...SantoshBhatnagar1
油
IT IS BILINGUAL PRESENTATION OF STRIKING SPECIAL FEATURES OF ANCESTORS OF MODERN MAMMALS ALONG WITH THEIR PICTORIAL DEPICTION ARRANGED .CHRONOLOGICALLY .Vertebrates
VertebratesLora Berr
油
Vertebrates are animals that have backbones. They are further classified into mammals, fish, birds, amphibians, and reptiles. Mammals are warm-blooded and give birth to live young, while fish, amphibians and reptiles are cold-blooded and hatch from eggs. Birds are warm-blooded but hatch from eggs. Each group has distinguishing characteristics like scales, feathers, fins or fur that help them survive in different environments. The document provides examples of common vertebrates for each classification.Lesson about Animal Groups
Lesson about Animal Groupsjosephineramas
油
The document classifies animals into two main groups: vertebrates and invertebrates. Vertebrates, which make up a small portion, have backbones and are further divided into five classes - fishes, amphibians, reptiles, birds, and mammals. Each class has distinguishing characteristics, such as fishes having scales and gills, amphibians living partly on land and in water, and mammals having hair and mammary glands. Invertebrates, which comprise 90% of species, lack backbones.Animal Classification Pairs Activity
Animal Classification Pairs ActivitySimon Bishop
油
An activity on the theme of classification, taxonomy and evolution. Pair the animals according to similarities!Animal kingdom (bueno)daniela emma eva
Animal kingdom (bueno)daniela emma evaandare2
油
This document provides information about different animal kingdoms. It discusses vertebrates like mammals, fish, birds, reptiles and amphibians. It notes that mammals are warm-blooded and feed milk to their young, while birds evolved from theropod dinosaurs. Invertebrates discussed include arthropods like insects, arachnids and myriapods. The document provides 3-4 key facts about each group.Animal kingdom (bueno)daniela emma eva
Animal kingdom (bueno)daniela emma evaandare2
油
This document provides information about different animal kingdoms. It discusses the main groups of vertebrates like mammals, fish, birds, reptiles and amphibians. For each group, it lists some key facts. It also discusses invertebrate groups like arthropods, arachnids, and myriapods. The document aims to classify and describe the main characteristics of different animal types.Amphibians
AmphibiansTamara
油
Amphibians are vertebrates that spend part of their life in water and part on land. They evolved from lobe-finned fish around 350 million years ago. Amphibians have adaptations for both aquatic and terrestrial environments like the ability to hibernate, estivate, and lay eggs in water that hatch into larvae. Common types of amphibians include frogs with short bodies and long back legs for jumping, toads with thick warty skin that live on land, and salamanders with slender bodies that hide under debris.Kingdom animalia
Kingdom animaliacircle4biology
油
This document summarizes key characteristics of different phyla in the animal kingdom. It describes how animals in the phylum Arthropoda have an exoskeleton, jointed appendages, and includes the classes Insecta, Arachnida, Crustacea, and Myriapoda. It then discusses characteristics of vertebrates, including having a backbone and including the classes Pisces, Amphibia, Reptilia, Aves, and Mammalia. Finally, it provides examples of distinguishing features of different animal groups.Classification of animals
Classification of animalsMaria Sanchez Guiu
油
This document classifies and describes the key characteristics of vertebrates and invertebrates. Vertebrates include mammals, fish, reptiles, birds and amphibians, and can be found around the world. They are divided into groups based on traits like whether they lay eggs, have feathers or fur, breathe through lungs or gills, and how they regulate their body temperature. Invertebrates make up 97% of animal species and lack backbones, including insects, worms, sponges, jellyfish, starfish, mollusks and arthropods. They are grouped by their exoskeleton, body structure and environment.Major orders of placental mammals
Major orders of placental mammalsZHALNJR
油
This document outlines the major orders of placental mammals, including their defining characteristics and examples. It discusses 12 orders: Artiodactyla which have an even number of toes and include pigs and cattle; Perissodactyla which have an odd number of toes and include horses and rhinos; Cetacea which are aquatic and include whales and dolphins; Primates which are tree-dwellers and include humans, apes and monkeys; Rodentia which make up over 40% of mammals and include mice and beavers; Chiroptera which can fly and are represented by bats; Xenartha which have few teeth and include anteaters and sloths; Sirenia which are aquatic herbivoresAnimal kingdom daniela emma eva
Animal kingdom daniela emma evaandare2
油
This document provides information about different animal kingdoms, including vertebrates and invertebrates. It discusses key facts about mammals, fish, birds, reptiles, amphibians, arachnids, arthropods, and myriapods. For example, it notes that mammals are warm-blooded and their babies drink milk, while fish have inhabited Earth for over 450 million years. The document also explains characteristics of invertebrate groups such as arthropods, which make up 80% of known animal species.Animal adaptation
Animal adaptationOfhel Del Mundo
油
Animals have developed various physical adaptations to obtain food, protect themselves, and survive in their environments. To get food, herbivores like giraffes have long necks for reaching leaves, while carnivores have sharp teeth and claws for catching prey. Animals also adapt through camouflage like zebras' stripes and insects' colors, or mimicry where spiders imitate ants. Some have protective shells, armor, or defenses like skunks' spray. Additionally, animals adapt to seasonal changes through migration, hibernation, or estivation where mudfish and camels survive harsh climates.Class IV - Adaptations-How Animals Survive
Class IV - Adaptations-How Animals SurviveLearnRoots
油
The document discusses how animals have adapted to survive in different environments. It describes how animals are classified based on whether they have a backbone or not. It then covers the main groups of vertebrates - fish, amphibians, reptiles, birds, and mammals. For each group, it outlines key characteristics like how they breathe, their temperature regulation, and examples. It also discusses how animals have adapted to live in different habitats like land, water, trees, and air. Finally, it covers adaptations related to food sources, protection, and endangered species.Recently uploaded (20)
(Journal Club) - RNA m6A regulates transcription via DNA demethylation and ch...
(Journal Club) - RNA m6A regulates transcription via DNA demethylation and ch...David Podorefsky, PhD
油
Journal Club (11/8/22)
RNA m6A regulates transcription via DNA demethylation and chromatin accessibility
History of atomic layer deposition (ALD) in a nutshell
History of atomic layer deposition (ALD) in a nutshellRiikka Puurunen
油
Lecture slides presented at Aalto University course CHEM-E5175 Materials engineering by thin films (by Prof. Ville Miikkulainen), in a visiting lecture Jan 28, 2025
Contents:
1 Invention of Atomic Layer Epitaxy 1974
2 Microchemistry Ltd and spread of ALE/ALD
3 Independent invention, Molecular Layering 1960s -->
4 Connecting the two independent development branches of ALD
5 Take-home message
(Extra materials on fundamentals of ALD, assumed as background knowledge)
際際滷Share: /slideshow/history-of-atomic-layer-deposition-ald-in-a-nutshell/275984811
Youtube: https://youtu.be/FBLThDjRff0 (Journal Club) - Transgenic mice for in vivo epigenome editing with CRISPR-ba...
(Journal Club) - Transgenic mice for in vivo epigenome editing with CRISPR-ba...David Podorefsky, PhD
油
Journal Club (9/21/21)
Transgenic mice for in vivo epigenome editing with CRISPR-based systemsThe Sense Organs: Structure and Function of the Eye and Skin | IGCSE Biology
The Sense Organs: Structure and Function of the Eye and Skin | IGCSE BiologyBlessing Ndazie
油
This detailed presentation covers the structure and function of the sense organs, focusing on the eye and skin as part of the Cambridge IGCSE Biology syllabus. Learn about the anatomy of the eye, how vision works, adaptations for focusing, and common eye defects. Explore the role of the skin in temperature regulation, protection, and sensory reception. Perfect for students preparing for exams!
The Solar Systems passage through the Radcliffe wave during the middle Miocene
The Solar Systems passage through the Radcliffe wave during the middle MioceneS辿rgio Sacani
油
As the Solar System orbits the Milky Way, it encounters various Galactic environments, including dense regions of the
interstellar medium (ISM). These encounters can compress the heliosphere, exposing parts of the Solar System to the ISM, while also
increasing the influx of interstellar dust into the Solar System and Earths atmosphere. The discovery of new Galactic structures, such
as the Radcliffe wave, raises the question of whether the Sun has encountered any of them.
Aims. The present study investigates the potential passage of the Solar System through the Radcliffe wave gas structure over the past
30 million years (Myr).
Methods. We used a sample of 56 high-quality, young (30 Myr) open clusters associated with a region of interest of the Radcliffe
wave to trace its motion back and investigate a potential crossing with the Solar Systems past orbit.
Results. We find that the Solar Systems trajectory intersected the Radcliffe wave in the Orion region. We have constrained the timing
of this event to between 18.2 and 11.5 Myr ago, with the closest approach occurring between 14.8 and 12.4 Myr ago. Notably, this
period coincides with the Middle Miocene climate transition on Earth, providing an interdisciplinary link with paleoclimatology. The
potential impact of the crossing of the Radcliffe wave on the climate on Earth is estimated. This crossing could also lead to anomalies
in radionuclide abundances, which is an important research topic in the field of geology and nuclear astrophysics.PROTEIN DEGRADATION via ubiquitous pathaway
PROTEIN DEGRADATION via ubiquitous pathawayKaviya Priya A
油
Protein degradation via ubiquitous pathway In general science, a ubiquitous pathway refers to a biochemical or metabolic pathway that is:
1. *Widely present*: Found in many different organisms, tissues, or cells.
2. *Conserved*: Remains relatively unchanged across different species or contexts.
Examples of ubiquitous pathways include:
1. *Glycolysis*: The process of breaking down glucose for energy, found in nearly all living organisms.
2. *Citric acid cycle (Krebs cycle)*: A key metabolic pathway involved in energy production, present in many cells.
3. *Pentose phosphate pathway*: A metabolic pathway involved in energy production and antioxidant defenses, found in many organisms.
These pathways are essential for life and have been conserved across evolution, highlighting their importance for cellular function and survival.
(Journal Club) - Integration of multiple lineage measurements from the same c...
(Journal Club) - Integration of multiple lineage measurements from the same c...David Podorefsky, PhD
油
Journal Club (3/18/22)
Integration of multiple lineage measurements from the same cell reconstructs parallel tumor evolutionSeminario- biologia molecular. Diapositivas
Seminario- biologia molecular. DiapositivasIsabelaRestrepo10
油
Seminario Biolog鱈a Molecular
Mariana Zapata
Isabela Sep炭lveda Restrepo 
(Journal Club) Focused ultrasound excites neurons via mechanosensitive calciu...
(Journal Club) Focused ultrasound excites neurons via mechanosensitive calciu...David Podorefsky, PhD
油
Journal Club (2/11/21)
Focused ultrasound excites neurons via mechanosensitive calcium accumulation and ion channel amplification(Journal Club) Folding DNA to create nanoscale shapes and patterns
(Journal Club) Folding DNA to create nanoscale shapes and patternsDavid Podorefsky, PhD
油
Journal Club (11/21/19)
Folding DNA to create nanoscale shapes and patternsAnti inflammatory agents from marine bacteria-17.pptx
Anti inflammatory agents from marine bacteria-17.pptxAhmedAbouelwafa7
油
Anti inflammatory agents from marine bacteria
Plant tissue culture- In-vitro Rooting.ppt
Plant tissue culture- In-vitro Rooting.pptlaxmichoudhary77657
油
In vitro means production in a test tube or other similar vessel where culture conditions and medium are controlled for optimum growth during tissue culture.
It is a critical step in plant tissue culture where roots are induced and developed from plant explants in a controlled, sterile environment.
際際滷 include factors affecting In-vitro Rooting, steps involved, stages and In vitro rooting of the two genotypes of Argania Spinosa in different culture media.(Journal Club) - DNA replication and repair kinetics of Alu, LINE1 and satel...
(Journal Club) - DNA replication and repair kinetics of Alu, LINE1 and satel...David Podorefsky, PhD
油
Journal Club (5/20/19)
DNA replication and repair kinetics of Alu, LINE1 and satellite III genomic repetitive elementsBiowaste Management and Its Utilization in Crop Production.pptx
Biowaste Management and Its Utilization in Crop Production.pptxVivek Bhagat
油
Bio-waste management involves the collection, treatment, and recycling of organic waste to reduce environmental impact. Proper utilization in crop production includes composting, vermiculture, and biofertilizers, enhancing soil fertility and sustainability. This eco-friendly approach minimizes waste, improves crop yield, and promotes sustainable agriculture.Cell Structure & Function | Cambridge IGCSE Biology
Cell Structure & Function | Cambridge IGCSE BiologyBlessing Ndazie
油
This IGCSE Biology presentation provides a detailed look at cell structure and function, covering the differences between animal and plant cells, the roles of organelles (nucleus, mitochondria, ribosomes, etc.), specialized cells, and levels of organization. Learn about diffusion, osmosis, and active transport in cells, with clear diagrams and explanations to support exam preparation. A must-have resource for Cambridge IGCSE students!Leafcurl viral disease presentation.pptx
Leafcurl viral disease presentation.pptxMir Ali M
油
This ppt shows about viral disease in plants and vegetables.It shows different species of virus effect on plants along their vectors which carries those tiny microbes.(Journal Club) - RNA m6A regulates transcription via DNA demethylation and ch...
(Journal Club) - RNA m6A regulates transcription via DNA demethylation and ch...David Podorefsky, PhD
油
(Journal Club) - Transgenic mice for in vivo epigenome editing with CRISPR-ba...
(Journal Club) - Transgenic mice for in vivo epigenome editing with CRISPR-ba...David Podorefsky, PhD
油
(Journal Club) - Integration of multiple lineage measurements from the same c...
(Journal Club) - Integration of multiple lineage measurements from the same c...David Podorefsky, PhD
油
(Journal Club) Focused ultrasound excites neurons via mechanosensitive calciu...
(Journal Club) Focused ultrasound excites neurons via mechanosensitive calciu...David Podorefsky, PhD
油
(Journal Club) - DNA replication and repair kinetics of Alu, LINE1 and satel...
(Journal Club) - DNA replication and repair kinetics of Alu, LINE1 and satel...David Podorefsky, PhD
油
Classes of Amphibians, Reptiles, and Mammals
- 1. Amphios = on both sides, double; bios = life, Amphibians means two-lives The larval part of the life of amphibians is spent in water, while the adult part is spent on land. They usually have soft, moist skin that is protected by a slippery layer of mucus. Edited by:
- 4. Red Eyed Tree Frog
- 6. Yellow-Banded Poison Arrow Frog
- 8. Eggs Tadpoles Metamorp h Frog
- 9. Repere means to creep. There bodies are covered with dry cornified scales. They are like amphibians , they can both survive in land and water.
- 10. Cuban Crocodile
- 12. King Cobra
- 14. Desert Iguana
- 15. Tuatara
- 16. Mamma means breast. Breasts that are well developed in female secrete milk and it used for feeding young. Their bodies are covered with hair. All Mammals are vertebrate All mammals are endothermic.
- 17. Monotremata Their bodies covered with thick furs. They have breasts that lack nipples, but secrete milk. These mammals are oviparous.
- 19. Spiny Anteater
- 20. Marsupials They are described as pouched mammals. The marsupium contains the nipples that secrete milk.
- 21. Grey Kangaroo
- 22. Opossum
- 23. Koala
- 24. Placental Mammals Pertains to a part in the womb where the young is nourished as it undergoes development until birth. Largest and the most diverse forms of chordates.
- 25. Rodentia Gnawing mammals Presence of sharp, chisel-like teeth with the animal uses in gnawing food.
- 26. Rodentia Placental Mammal Rat
- 27. Rodentia Placental Mammal Squirre l
- 28. Rodentia Placental Mammal Beaver
- 29. Rodentia Placental Mammal Porcupi ne
- 30. Rodentia Placental Mammal Guinea Pig
- 31. Insectivora The presence of a long snnout, which the animal uses in devouring insects.
- 32. Insectivora Placental Mammal Mole
- 33. Insectivora Placental Mammal Elephan t Shrew
- 34. Insectivora Placental Mammal Hedgeho g
- 35. Lagomorpha Presence of chisel-like incissor and hind legs modified for jumping
- 36. Insectivora Placental Mammal Rabbit
- 37. Perissodactyla Presence of odd-toed hoofs. The animals are chiefly hervivorous.
- 38. Perissoddactyla Placental Mammal Horse
- 39. Perissoddactyla Placental Mammal Rhinocer os
- 40. Perissoddactyla Placental Mammal Tapir
- 41. Artiodactyla Presence of even-toed hoofs. The animals are chiefly carnivorous.
- 42. Artiodactyla Placental Mammal Deer
- 43. Artiodactyla Placental Mammal Pig
- 44. Artiodactyla Placental Mammal Goat
- 45. Proboscidae Presence of a long, muscular trunks and thick, loose skin. Their upper incisors are modified into an elongated tusk.
- 46. Proboscidae Placental Mammal Elephan t
- 47. Chiroptera Flying mammals Forelimbs are modified into wings
- 48. Chiroptera Placental Mammal Bat
- 49. Edentata Toothless mammals The body is covered with hard, bony plates.
- 50. Edentata Placental Mammal Armadillo
- 51. Chiroptera Placental Mammal Sloth
- 52. Cetacea Aquatic mammal Forelims are motified into fins, hind legs are lacking
- 53. Chiroptera Placental Mammal Whale
- 54. Chiroptera Placental Mammal Dolphin e
- 55. Carnivora Flesh eating mammals They have sharp and well developed canines for tearing flesh and strong jaws in breaking bones.
- 57. Carnivora Placental Mammal Dogs
- 58. Carnivora Placental Mammal Lions
- 59. Carnivora Placental Mammal Tigers
- 60. Carnivora Placental Mammal Bears
- 61. Primates Erect mammals Presence of opposable thumbs and eyes that face forward. The only animals that can stand erectly using only their hind limbs.
- 62. Primates Placental Mammal Gorilla
- 63. Primates Placental Mammal Chimpanze e
- 64. Primates Placental Mammal Oranguta n
- 65. Primates Placental Mammal Lemur