Chapila(gudusia chapra)
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Described aboud gudusia chapra9fish). It containing its biological features, distribution, price, test etc.
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Coldwater fisheries ppt
The cold water fisheries deal with fisheries activity in water where temperature of water ranges from 5 to 25 degrees centigrade. The water temperature under cold water fisheries should not be more than 25°C even in summer. Such conditions in India occur in Himalayan and peninsular regions.
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Coldwater fish in terms of the aquarium trade refers to any fish species that prefer cooler water temperatures. The optimal temperatures for these fish hover around the 68-degree mark, although each species’ temperature range may vary from the norm.
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Cage culture is an aquaculture production system where fish are held in Cage. Cage culture of fish utilizes existing water resources but encloses the fish in a cage which allows water to pass freely through the enclosures and the surrounding water body. Cages are used to culture several types of shell fish and finfish species in fresh, brackish and marine waters. Cages in freshwaters are used for food fish culture and for fry to fingerling rearing.
In 1950s modern cage culture began with the initiation of production of synthetic materials for cage construction. Fish production in cages became highly popular among the small or limited resource farmers who are looking for alternatives to traditional agricultural crops. The mesh size of the cage is kept smaller than the fish body. In India cage culture have been attempted first for Air breathing fish. Cage mesh netting made from synthetic material that can resist decomposition in water for a long period of time. Cage are used to culture several type of shell fish and fin fishes in fresh , brackish and marine water. Cage in fresh water are used for food fish culture and for fry to fingerling rearing. Cages are generally small, ranging in freshwater reservoirs from 1 square meter (m2) to 500 m2.
Definition –
Cage culture is a system in which the cultured Fish 0r animal are enclosed from all side allowing water to pass freely through the enclosures and the surrounding water body.
HISTORY-
Cage culture seem to have developed around 200 year ago in Cambodia where fisherman used to keep clarias spp. And some other fishes in bamboo made cage. Cage culture is traditional in part of Indonesia also attempted for the first time in air breathing fishes in swamp for raising major carp in running water in the river, Yamuna and Ganga at Allahabad and for raising Common carp , Catla , Silver carp, Rohu , Snakehead and Tilapia in still water body of Karnataka. In India sea cage start in 2007 for culture sea bass at Vishakhapatnam by CMFRI. anchored in streams which are practically open sewers. Common carp , where cage are in the southern USA. Around 80 species are being culture in cage. In India cage culture was initially culture in bamboo cage is practice in west java, since early 1940. Modern cage culture in open water bodies probably originated in Japan in early 1950. According to FAO cage culture is being practiced in more than 62 countries and has a become high tech business in developed countries such as floating and submerged cage culture of Salmonids in Norway, Canada and Scotland, Tuna and Yellowtails in Japan , Chinese carp in China, and catfish.
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Orangethroat Darter.
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Orange-Spotted Sunfish.
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This document discusses techniques for induced breeding of carp species in hatcheries. It describes the collection of pituitary glands from brood fish and injection of hormones like HCG to stimulate breeding. After conditioning, brood fish are weighed and injected, then placed in hapas or tanks. Water temperature between 25-28°C and oxygen levels of 5-9 mg/L promote successful spawning. Eggs are incubated in glass jars or Chinese circular hatcheries consisting of overhead tanks, spawning tanks, incubation tanks, and receiving tanks, and fry are reared in earthen ponds.
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So this is a visual PPT, made with reference book - Applied Fishery Science By S.M Shafi and most of the data was collected from FAO and CMFRI . Molluscan fisheries here in this PPT is related with India so most of the organisms are indigenous. Have a look . It would be pictorial but once you know about the topic it's the best
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This document provides information about the edible oyster Crassostrea madrasensis. It discusses the taxonomy, distribution, biology and lifecycle of C. madrasensis. It also describes the nutritive value of oysters and methods for oyster culture, including site selection criteria, spat collection, seed production through hatcheries, and grow-out techniques like on-bottom and off-bottom culture methods. The document aims to provide details about C. madrasensis to support its cultivation along the Indian coasts.
Coldwater fisheries in India
This document discusses cold water fisheries in India. It describes the temperature range for cold water fisheries (5-25°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.
CAGE CULTURE OF FISH THEIR TREND,STATUS AND PRODUCTION
Cage culture is an aquaculture production system where fish are held in Cage. Cage culture of fish utilizes existing water resources but encloses the fish in a cage which allows water to pass freely through the enclosures and the surrounding water body. Cages are used to culture several types of shell fish and finfish species in fresh, brackish and marine waters. Cages in freshwaters are used for food fish culture and for fry to fingerling rearing.
In 1950s modern cage culture began with the initiation of production of synthetic materials for cage construction. Fish production in cages became highly popular among the small or limited resource farmers who are looking for alternatives to traditional agricultural crops. The mesh size of the cage is kept smaller than the fish body. In India cage culture have been attempted first for Air breathing fish. Cage mesh netting made from synthetic material that can resist decomposition in water for a long period of time. Cage are used to culture several type of shell fish and fin fishes in fresh , brackish and marine water. Cage in fresh water are used for food fish culture and for fry to fingerling rearing. Cages are generally small, ranging in freshwater reservoirs from 1 square meter (m2) to 500 m2.
Definition –
Cage culture is a system in which the cultured Fish 0r animal are enclosed from all side allowing water to pass freely through the enclosures and the surrounding water body.
HISTORY-
Cage culture seem to have developed around 200 year ago in Cambodia where fisherman used to keep clarias spp. And some other fishes in bamboo made cage. Cage culture is traditional in part of Indonesia also attempted for the first time in air breathing fishes in swamp for raising major carp in running water in the river, Yamuna and Ganga at Allahabad and for raising Common carp , Catla , Silver carp, Rohu , Snakehead and Tilapia in still water body of Karnataka. In India sea cage start in 2007 for culture sea bass at Vishakhapatnam by CMFRI. anchored in streams which are practically open sewers. Common carp , where cage are in the southern USA. Around 80 species are being culture in cage. In India cage culture was initially culture in bamboo cage is practice in west java, since early 1940. Modern cage culture in open water bodies probably originated in Japan in early 1950. According to FAO cage culture is being practiced in more than 62 countries and has a become high tech business in developed countries such as floating and submerged cage culture of Salmonids in Norway, Canada and Scotland, Tuna and Yellowtails in Japan , Chinese carp in China, and catfish.
Important Palegic Fishes
Pelagic fish inhabit ocean waters near the surface or in middle depths. They often form large shoals and undertake vertical or horizontal migrations. Their aggregating behaviors increase their catchability by fisheries. Pelagic fish range in size from small forage fish like herring and sardines to large apex predators such as bluefin tuna and sharks. They tend to be streamlined swimmers capable of long distance migration.
Lernaea
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Fish Pituitary Gland
The fish pituitary gland is located in the brain and has two parts - the glandular and nervous parts. It can be collected through dissection by removing part of the scalp or through the foramen magnum. The gland is then preserved in alcohol or acetone and stored. For injection, it is homogenized in water or saline, centrifuged, and the supernatant is used. Females receive two injections of the extract 6 hours apart at specific dosage levels based on the fish species.
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In the African Catfish Hatchery, catfish fry ‘come out’ from eggs under an artificial condition in commercial numbers. These fry grow into fingerlings and they later become juveniles.
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The document discusses the structure of fish skin, noting that it consists of an epidermis layer containing glands like mucous and poison glands, and a dermis layer where scales come in four types - placoid, cycloid, rhombic, and ctenoid. The dermis contains pigment cells like melanophores, xanthophores, and iridophores that contain pigments like melanin, carotenoids, and guanine crystals which give fishes their color and ability to reflect light. References on fish skin structure include modern textbooks by Kotpal and books on zoology by S.M. Sexsena and
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This document provides an overview of the Hilsa fish species, which is an important commercial fish in the Indo-Pacific region. Some key points:
1. Hilsa fish migrate between freshwater rivers and the sea to spawn and feed. Major spawning grounds are located in the Ganges-Brahmaputra river delta region.
2. Juvenile Hilsa spend time growing in nursery grounds along rivers before migrating to sea feeding/growing grounds.
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INDIA INLAND CAPTURE FISHERIES
The document discusses India's inland water resources including rivers, reservoirs, lakes, tanks, ponds, wetlands, lagoons and estuaries. It notes that rivers cover over 1.9 lakh km and reservoirs cover over 3.15 million hectares. Major river systems include the Ganga, Brahmaputra, Indus, and rivers along the east and west coasts. Inland fisheries production has increased from 0.75 million tonnes in 1950-51 to over 8 million tonnes in 2009-10. States like West Bengal, Andhra Pradesh and Uttar Pradesh are major producers.
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Anatomy of Finfish 2nd sem (full syllabus)
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.
Biology of Prawn (Macrobrachium rosenbergii)
All the freshwater prawns that have been cultured so far belong to the genus Macrobrachium , Bate 1868, the largest genus of the family Palaemonidae. About 200 species have been described, almost all of which live in freshwater at least for part of their life.
The giant river prawn, Macrobrachium rosenbergii , was one of the first species to become scientifically known , the first recognizable illustration appearing in 1705. The nomenclature of freshwater prawns, both on a generic and a species level has had quite a muddled history. In the past, generic names have included Cancer (Astacus) and Palaemon. Previous names of M. rosenbergii have included Palaemon carcinus, P. dacqueti and P. rosenbergii ( De Man 1879) became universally accepted.
Reproductive biology
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Finfish breeding and hatchery management pdf
Rivers were the major source of freshwater fish seed in India during 1950’s and 1960’s.
Over the years, the riverine contribution has declined and at present forms only a supplementary source, constituting less than 5% of the country’s total fish seed production.
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This document provides information on the types of culturable freshwater fishes found in India. It discusses the major categories including major carps, minor carps, murrels, catfishes, exotic fishes, and cold water fishes. Within each category, it describes 3-4 specific fish species, providing details on their physical characteristics, habitat, feeding behavior, and role in aquaculture. The document aims to outline the various freshwater fish that are commonly cultured in India for food production and economic purposes.
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Pelagic fish inhabit ocean waters near the surface or in middle depths. They often form large shoals and undertake vertical or horizontal migrations. Their aggregating behaviors increase their catchability by fisheries. Pelagic fish range in size from small forage fish like herring and sardines to large apex predators such as bluefin tuna and sharks. They tend to be streamlined swimmers capable of long distance migration.
Lernaea
Lernaea species, commonly known as anchorworms, are crustacean parasites that infect freshwater fish. Lernaea cyprinacea infects species like koi, carp, and goldfish. It attaches to the fish with an anchor and burrows in, causing inflammation. The adult female appears as a thin worm attached to the fish with egg sacs. Salt water exposure can treat infections, but strict quarantine is important to prevent introduction of anchorworms to new systems.
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Almost all natural bodies of water bear fish life, the exceptions being very hot thermal ponds and extremely salt-alkaline lakes such as the Dead Sea and Great Salt Lake. The fishes belong to the most numerous and diversified group among vertebrates. They dominate the water bodies of the world through a variety of morphological, physiological and behavioral adaptations. They have been in existence for more than 450 million years. A total of 24618 species of fishes belonging to 482 families and 4258 genera have so far been described. About 58% of the fish species are marine while 41% are freshwater inhabitants and 1% migrants. In our Indian region alone, there are 2,500 species of which 930 are inhabitants of freshwater and the rest live in the seas. In other words, India harbours 11.5% of the fish fauna so far known in the world. There are over 800 living species of sharks and rays, 30 species of chimaeras and ratfishes, 6 species of lung fishes, 1 species of coelacanths, 36 species of long ray finned bichirs, sturgeons and paddlefishes. The Neopterygii are the rest of the known species of modem fishes. All these fishes inhabit various niches in the aquatic environment. The diversified habitats of fishes include open oceans, deep oceanic trenches, nearshore waters, saline coastal embayments, brackishwaters, estuaries, intermittent streams, tiny desert springs, vernal pools, cold mountain streams, lakes, ponds, etc.
Fish Pituitary Gland
The fish pituitary gland is located in the brain and has two parts - the glandular and nervous parts. It can be collected through dissection by removing part of the scalp or through the foramen magnum. The gland is then preserved in alcohol or acetone and stored. For injection, it is homogenized in water or saline, centrifuged, and the supernatant is used. Females receive two injections of the extract 6 hours apart at specific dosage levels based on the fish species.
Cat fish breeding Ashish sahu
Many farmers have been unable to successfully breed African Catfish.Several attempts made have given unfruitful results. In this guide, Lanre Ogunsina lists his own simple 19 proven steps to efficiently breed the African Catfish.
Due to the difficulties of getting consistent, fast growing, disease resistant and uniform sized catfish fingerlings and juveniles, the African Catfish Hatchery came into existence.
In the African Catfish Hatchery, catfish fry ‘come out’ from eggs under an artificial condition in commercial numbers. These fry grow into fingerlings and they later become juveniles.
Fish skin
The document discusses the structure of fish skin, noting that it consists of an epidermis layer containing glands like mucous and poison glands, and a dermis layer where scales come in four types - placoid, cycloid, rhombic, and ctenoid. The dermis contains pigment cells like melanophores, xanthophores, and iridophores that contain pigments like melanin, carotenoids, and guanine crystals which give fishes their color and ability to reflect light. References on fish skin structure include modern textbooks by Kotpal and books on zoology by S.M. Sexsena and
Hilsa fishery of Bay of Bengal
This document provides an overview of the Hilsa fish species, which is an important commercial fish in the Indo-Pacific region. Some key points:
1. Hilsa fish migrate between freshwater rivers and the sea to spawn and feed. Major spawning grounds are located in the Ganges-Brahmaputra river delta region.
2. Juvenile Hilsa spend time growing in nursery grounds along rivers before migrating to sea feeding/growing grounds.
3. Bangladesh has established Hilsa sanctuaries and seasonal fishing bans to help conserve stocks of this important species. Management of Hilsa fisheries is a national priority given its economic and cultural significance.
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INDIA INLAND CAPTURE FISHERIES
The document discusses India's inland water resources including rivers, reservoirs, lakes, tanks, ponds, wetlands, lagoons and estuaries. It notes that rivers cover over 1.9 lakh km and reservoirs cover over 3.15 million hectares. Major river systems include the Ganga, Brahmaputra, Indus, and rivers along the east and west coasts. Inland fisheries production has increased from 0.75 million tonnes in 1950-51 to over 8 million tonnes in 2009-10. States like West Bengal, Andhra Pradesh and Uttar Pradesh are major producers.
Reproductive strategies in fishes
This document summarizes different reproductive strategies in fishes. It discusses that most fishes are oviparous and lay eggs externally. For marine fishes, the majority have pelagic eggs that float, while demersal eggs that sink are more common in freshwater. Some fishes are ovoviviparous or viviparous with internal fertilization. Different forms of parental care among fishes are also outlined, including by the male, female or both parents. Alternative reproductive strategies discussed include hermaphroditism, parthenogenesis, and natural polyploids and hybrids.
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This document outlines various behaviors studied in behavioral ecology, including feeding behavior, predation, parasitism, mutualism, and communication. It discusses how feeding behavior is regulated by environmental and homeostatic factors. Predation behaviors in different fish species are described, as well as how predators and prey can control each other's populations. Competition between species and intraspecific competition are examined, including examples of resource partitioning and differential exploitation. The document also summarizes symbiotic relationships like mutualism, commensalism, and parasitism in fish, and covers behaviors like migration, schooling, camouflage, and sound/chemical communication.
FACTORS RELATED TO FISH BREEDING
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.
Fish pharmacology Ashish sahu
This document provides an overview of fish pharmacology. It begins with definitions of pharmacology and fish pharmacology. It then discusses the history of pharmacology and different classifications of drugs. The document outlines various branches of pharmacology and routes of drug administration in fish, including enteral, parenteral, and topical methods. It also describes common drugs used in aquaculture for purposes like pond preparation, disease treatment, and breeding induction. The document lists some sex control drugs, immuno-stimulants, and osmo-regulators. It finishes with banned antibiotics in aquaculture and references.
Anatomy of Finfish 2nd sem (full syllabus)
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.
Biology of Prawn (Macrobrachium rosenbergii)
All the freshwater prawns that have been cultured so far belong to the genus Macrobrachium , Bate 1868, the largest genus of the family Palaemonidae. About 200 species have been described, almost all of which live in freshwater at least for part of their life.
The giant river prawn, Macrobrachium rosenbergii , was one of the first species to become scientifically known , the first recognizable illustration appearing in 1705. The nomenclature of freshwater prawns, both on a generic and a species level has had quite a muddled history. In the past, generic names have included Cancer (Astacus) and Palaemon. Previous names of M. rosenbergii have included Palaemon carcinus, P. dacqueti and P. rosenbergii ( De Man 1879) became universally accepted.
Reproductive biology
This document provides an overview of reproductive biology in fishes. It discusses the different types of sexuality observed in fishes, including unisexuality, bisexuality, hermaphroditism, and parthenogenesis. It describes the reproductive cycles and hormones that regulate reproduction for both male and female fish. Key aspects covered include the gonads, sexual dimorphism, seasonal breeding patterns, and hormonal control of the reproductive system through the CNS-pituitary-gonad axis.
Clupeiformies
deals with the classification and characters of fishes belongs to order clupeiformes along with all family and generic characters
Finfish breeding and hatchery management pdf
Rivers were the major source of freshwater fish seed in India during 1950’s and 1960’s.
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The Ganga, the Brahmaputra and the Indus river systems in the North and the Peninsular East coast and the West coast river systems in the South are the important natural sources of fish seed.
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Common carp(cyprinus carpio)freshwater fish,bangladesh
Common carp(cyprinus carpio)freshwater fish,bangladesh
Similar to Chapila(gudusia chapra)
Chanda fish(chanda nama)
A brief description about chanda fish.Scientific name is chanda namaFound in standing and running waters; clear streams, canals, beels, ponds, and inundated paddy fields. Abundant during rainy season .This species could effectively be used in the control of guinea worms and also for malarial control. These small, bony, fleshy fishes are sold in heaps along with other small fishes in the market. Popular for aquarium purposes.
Cultivable Freshwater Finfishes Of India
This document provides information on the types of culturable freshwater fishes found in India. It discusses the major categories including major carps, minor carps, murrels, catfishes, exotic fishes, and cold water fishes. Within each category, it describes 3-4 specific fish species, providing details on their physical characteristics, habitat, feeding behavior, and role in aquaculture. The document aims to outline the various freshwater fish that are commonly cultured in India for food production and economic purposes.
Biology of fin fish (labeo rohita)
The presentation discusses the biology of the rohu fish (Labeo rohita). Key points:
- Rohu is a commercially important species in Bangladesh and other parts of Asia.
- It is an omnivorous, column feeding fish found in rivers, ponds, and floodplains.
- The fish reaches sexual maturity at 3 years and breeds during the monsoon season, laying hundreds of thousands of eggs.
- Rohu plays an important role ecologically and is also a highly valued food fish, though its populations have declined from overfishing in rivers. It remains widely cultured in aquaculture.
Gangetic dolphin
The document discusses the Ganges river dolphin, India's national aquatic animal. Some key points:
- It is found primarily in the Ganges, Brahmaputra, and Meghna river systems of India and neighboring countries. The population is estimated to be less than 2,000.
- It has characteristics that help it survive in muddy, silty rivers like echolocation, a small dorsal fin, and the inability to chew food. It feeds on fish and invertebrates.
- Major threats include habitat loss, pollution, dams, overfishing, and poaching for its oil. It is listed as endangered by the IUCN and the Indian government aims to protect
Fishes Found In Gilgit-Baltistan
Gilgit-Baltistan area is a fishing Paradise, surrounded by huge mountains and lakes which gives a beautiful scene and a ideal place for fishing and hunting. The famous fish is trout. Many anglers’ local and foreigner come here for hunting and have a great fishing experience of lifetime. Gilgit-Baltistan formerly known as the Northern Areas is the northernmost political entity within Pakistan.
Assignment on difference and feature of jatka and chapila
This document compares and contrasts the features of Jatka and Chapila fish. Jatka refers to juvenile hilsa fish between 4-15cm found in rivers and estuaries, while Chapila are small freshwater fish found in rivers in India and Bangladesh. Key differences include: Jatka belong to the genus Tenualosa, while Chapila belong to Gonialosa or Gudusia. Jatka have 14-24 anal fins and a distinct smell, while Chapila have 21-24 fins and no distinctive smell. Conserving Jatka through fishing bans is important to protect declining hilsa populations, which are a major source of food and income.
Hilsa hilsa
Ilish is a popular fish in the Indian subcontinent, particularly among Bengalis and Oriyas. It is the national fish of Bangladesh. Ilish lives in the sea but migrates inland up to 1,200 km to spawn in large rivers. It is caught from rivers before swimming back to sea, and is considered tastier than those caught at sea. Ilish plays an important role in the culture and cuisine of Bengal and Orissa, often featured in religious ceremonies and prepared in over 50 ways, including smoked, fried, and steamed.
FISH FARMING
This document summarizes information about fish farming in India, including different species of fish that are farmed. It discusses indigenous fish species like various carps, as well as exotic species imported from other countries. For each type of fish, it provides details on physical characteristics, habitat, breeding, and use in aquaculture. The document categorizes fish into groups like indigenous carps, exotic carps, air-breathing fishes, and ornamental fishes. It provides information on commercially important species like various carps, catfish, climbing perch, and tilapia.
FISH SEED PRODUCTION & CULTIVABLE FISH SPECIES WITH FISH CUM DUCK FORMING
This document summarizes information about fish farming in India, including different species of fish that are farmed. It discusses indigenous fish species like various carps, as well as exotic species imported from other countries. For each type of fish, it provides details on physical characteristics, habitat, breeding, and use in aquaculture. The document categorizes fish into groups like indigenous carps, exotic carps, air-breathing fishes, and ornamental fishes. It provides information on commercially important species like various carps, catfish, climbing perch, and tilapia.
What is Fish Culture ?
Fish Culture or fish farming involves raising fish commercially in tanks or enclosures, usually for food. It is the principal form of aquaculture, while other methods may fall under mariculture. A facility that releases juvenile fish into the wild for recreational fishing or to supplement a species' natural numbers is generally referred to as a fish hatchery. Worldwide, the most important fish species used in fish farming are carp, tilapia, salmon, and catfish.
Fresh water edible fishes
This document discusses several freshwater edible fish species commonly consumed in India. It provides details on the growth, breeding habits, and nutritional value of major carp species like Catla catla, Labeo rohita, L. calbasu, Cirrhinus mrigala. Other important freshwater fish discussed include catfishes, herrings, featherbacks, live fishes, mullets, and exotic species like Cyprinus carpio. Details on growth rates, fecundity, and maturity time are provided for many of the species.
Fish Biodiversity and Conservation
What is biodiversity?
Father of biodiversity- E.O. Wilson.
The term ‘biodiversity’’ encompasses the variety of all life forms on earth.
Define biodiversity –
‘’ Biodiversity include of the particular area may be living organisms (plant and animal) called biodiversity ’’.
• Simple words in can be defined as the biodiversity .
“Variety, variability b/w genes, spp. and ecosystem”.
Define fish diversity –
“Fish Species diversity is defined as the number of species and abundance of each species that live in a particular location”.
The number of species that live in a particular location is called species richness.
India is one of the 17 mega biodiversity countries having four biodiversity hotspots namely the Western Ghats, eastern Himalayas, Indo-Burma and Sundaland that are included amongst the top ten most important hotspots in the world.
It also has rich freshwater(rivers, irrigationcanals,tanks, lakes,reservoirs) fish diversity.
Which living organisms–
All living organism in world 7.4 billion.
Fish Biodiversity in world-
World harbour total of 33059 spp. 4258 genera, 482 families about 58 % Marine water, 41% Fresh water and 1% migrants.
2-Fisheries resource of India –
India blessed with huge aquatic resources with 29,000 km of rivers, 0.3 million ha of estuaries, 0.9 million ha of back waters and lagoons, 3.15 million ha of reservoirs, 0.2 million ha of floodplain wetlands, 0.72 million ha of upland lakes and 2.02 million km sq area of Exclusive Economic Zone (EEZ) surrounding the seas,8129 km of coast line, which includes those of Andaman and Nicobar and Lakshadweep Islands.
The seas surrounding the country, 14 major rivers, 44 medium rivers and innumerable small rivers and other inland water bodies provide one of the richest faunastic resources of the world.
Kalibaus
This presentation provides information on the Kalibasu fish species. It discusses the local and scientific names of the fish, its taxonomic position, physical description including size and coloration, distribution across several countries in Asia, habitat in rivers and streams, diet of algae and plants, economic importance as a food source and its liver oil, ecological role in maintaining water quality, and threatened conservation status. The presentation was given by Shoriful Islam for a zoology class.
food and feeding habbits of rohu
This document discusses the feeding habits of Labeo rohita, a freshwater fish found in India, Bangladesh, Nepal and Myanmar. It begins by providing taxonomic classification and background on the species' physical characteristics and habitat preferences. The document then examines the fish's feeding behaviors at different life stages, finding it eats zooplankton as a juvenile but transitions to eating more phytoplankton and vegetation as an adult. Two papers are summarized that analyze gut contents of L. rohita from different locations and seasons, finding it is an omnivore that relies more on plant matter as it grows larger.
food and feeding habbits of rohu
This document discusses the feeding habits and biology of Labeo rohita, an important freshwater fish species in India. It finds that L. rohita exhibits ontogenetic shifts in diet, starting as an omnivore feeding mainly on zooplankton in early life stages. As it grows, it feeds more on phytoplankton and becomes an herbivorous column feeder that sieves water using modified gill rakers. Studies of its gut contents in different seasons found it feeds most after the monsoon spawning season, when it compensates for energy lost during breeding. Overall, L. rohita displays adaptable feeding as an omnivore-planktophage in youth
Inland fisheries 2nd sem (full sylabus)
The document discusses global and Indian freshwater fish biodiversity. It notes that freshwater ecosystems account for only 1% of the Earth's surface but contain around 12,000 exclusively freshwater fish species. India is home to over 2,400 fish species, including 223 that are endemic. The major groups of freshwater fish found in India are carp, live fish, catfish, clupeids, mullets, featherbacks, loaches, eels, glassfish and gobies. Coldwater fish biodiversity includes species found in the Himalayas and Deccan plateau, while warm waters harbor over 500 species across various river systems.
Fisheries and Aquaculture by Abdul Hameed Korai ( Tehsildar )
Fisheries and Aquaculture by Abdul Hameed Korai ( Tehsildar )
For M.Sc , B.sc , Fisheries & aquaculture related exams
Freshwater culturable fishes
This document provides information on major cultivable carps and prawns in India. It discusses the different types of major carps including Catla catla, Labeo rohita, Cirrhina mrigala, and minor carps. It also covers exotic fishes, murrel fishes, catfishes, air-breathing fishes, coldwater trout species, and prawns that are suitable for cultivation. The document emphasizes that carp culture forms the backbone of freshwater aquaculture in India and discusses the technological developments that have led to the growth of the carp farming industry.
Mechanism of hilsa (tenualosa ilisha) migration and its impact to nature
Mechanism of Hilsa (Tenualosa ilisha) Migration and its Impact to Nature
Tenualosa ilisha (ilish, hilsa, hilsa herring or hilsa shad) is a species of fish in the herring family (Clupeidae), and a popular food fish in South Asia. Five type of ilish can be found worldwide. Yearly ilish caught are 5,000,000 ton. Among them, 50%-60% are caught by Bangladesh, 15%-20% are caught by India, Pakistan and rest 5%-10% are caught by Malaysia, Thailand, China, Vietnam and Sri Lanka. The fish contributes about 12% of the total fish production and about 1% of GDP in Bangladesh.
Kaikka fish
This document provides information about the Kaikka fish presented by MD Rany Kazi. It discusses the local and scientific names of the fish, its systematic position, physical description, external features, habitats, distribution, feeding habits, economic importance, ecological role, and conservation status. The Kaikka fish, also known as the needle fish, is a freshwater predatory fish found in rivers, ponds, and flooded fields in South Asia. It feeds on smaller fish, tadpoles, shrimp, and insects. While it has some commercial and medicinal significance, it is not considered threatened but conservation efforts are still needed to protect its population.
Similar to Chapila(gudusia chapra) (20)
Assignment on difference and feature of jatka and chapila
Assignment on difference and feature of jatka and chapila
FISH SEED PRODUCTION & CULTIVABLE FISH SPECIES WITH FISH CUM DUCK FORMING
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Fisheries and Aquaculture by Abdul Hameed Korai ( Tehsildar )
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Chapila(gudusia chapra)
- 2. There are 2 kinds of different species of chapila are found Indian river shad, (Gudusia chapra) Ganges river gizzard shad, (Goniolosa manmina)
- 3. Bangladesh: Chapila, Goni chapila, Mukh-chuka Chapila, Khoira India: Koroti, Mackundi, Phophor
- 4. Scientific classification Kingdom: Animalia Phylum: Chordata Class: Actinopterygii Order: Clupeiformes Family: Clupeidae Genus: Gudusia Species: G. chapra
- 5. Distribution Bangladesh India Srilanka
- 6. Distribution Found in river and associated water body Estuaries of Bangladesh Found in large river system of Jamuna, Ganga, Brahmaputra
- 7. Habit & Habitant Generally surface dwellers and omnivorous Prefers turbid water and areas with more aquatic vegetation
- 8. Habit & Habitant Breeds during the monsoon in stagnant water Always avoids weedy areas and prefers transparent water
- 9. Morphology They are somehow look like ‘jhatka’. But their size is much less than jhatka.
- 10. Morphology Body short and fairly deep and somewhat compressed
- 11. Morphology Mouth inferior and small Head 3.3 – 3.6 in standard Snout 0.6- 0.8
- 12. Morphology Length: 12 to 14.1 cm in Bangladesh maximum 20 cm found in Bangladesh • maximum 28 cm found in India in 2001
- 13. Morphology Dorsal origin opposite to pelvic origin Pactoral as long as head excluding snout, reaching above the origin pelvic Scales moderate, thin more or less adherent
- 14. Body color Body color grayish along back, silvery on sides and below, opercle and check yellow and fins are also yellowish
- 15. Importance A valuable food fish for human being and contributes in major inland cathces
- 16. Not only protein they are rich in moisture, fat and ash..
- 17. They are also rich in Fe, Zn and Calcium
- 18. Though they are not exported from our country in largely but they are regarded as delicious curry
- 19. Ecological Role Occupies the third trophic level in the aquatic food chain An active competitor of Indian major craps in the aquatic ecosystem
- 20. Conservation Status Abundantly caught rivers and boars of Bangladesh in rainy season but from the report of ICUN Bangladesh, 2000 they are not threatened in Bangladesh