Rainbow trout
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The rainbow trout is a colorful fish native to North America west of the Rocky Mountains. They have a pink stripe along their sides and small black spots on their back and fins. Rainbow trout spawn in spring and move to small tributaries or lake inlets to lay their eggs. The species is very adaptable and can thrive in places where other trout struggle.
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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.
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Niir Project Consultancy Services
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New Delhi-110007, India.
Email: npcs.ei@gmail.com , info@entrepreneurindia.co
Tel: +91-11-23843955, 23845654, 23845886, 8800733955
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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-
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Mussles culture.pptx
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Aqua feed is food formulated specifically for fishes, which is commercially manufactured via numerous industrial procedures. Aqua feed is primarily available as pellets, which contain important ingredients that provide nutrition to fish. As per the fish species and size to be fed, these pellets are available in many sizes. Further, the properties of pellets can be easily changed so that they sink to the bottom of fish tanks or float on the surface of the water. The nutrient contents of the feed can be controlled and this has benefitted the global aqua feed market in the recent past. Also, there has been a growth in the farming aquatic species such as crustaceans, mollusks, and fish.
See more
https://goo.gl/9LC1pS
https://goo.gl/2jpbQ9
Contact us:
Niir Project Consultancy Services
An ISO 9001:2015 Company
106-E, Kamla Nagar, Opp. Spark Mall,
New Delhi-110007, India.
Email: npcs.ei@gmail.com , info@entrepreneurindia.co
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Introduce to Whiteleg shrimp (Litopenaeus vannamei) is a threat in Aquacultu...
Introduce to Whiteleg shrimp (Litopenaeus vannamei) is a threat in Aquacultu...Nazmul Haque Syekat, Noakhai Science & Technology University.
Whiteleg shrimp (Litopenaeus vannamei, formerly Penaeus vannamei), also known as Pacific white shrimp or King prawn, is a variety of prawn of the eastern Pacific Ocean commonly caught or farmed for food.L. vannamei is a decapod crustacean which is native to the Eastern Pacific Coast of Central and
South America from Tumbes, Peru in the south to Mexico in the north. It has been introduced widely around the world since the 1970s, but especially since 2000, as it has become the principle
cultured shrimp species in Asia. The species itself is not considered a major threat to biodiversity, does not appear to have formed breeding populations, and has generally resulted in positive economic impacts in non-indigenous areas. An examination of current lists of invasive species
published by the International Union for Conservation of Nature’s Invasive Species Specialist Group (IUCN, 2004) revealed no listings for L. vannamei. As mentioned, L. vannamei has been anthropogenically introduced as an aquaculture species to several areas of the world to which it is
not native.
,
Nazmul Haque SyekatAquaculture Value Chains
A presentation by Malcolm Beveridge (WorldFish Center) to the CGIAR Livestock Fish Mega Program Stakeholder Meeting, Addis Ababa, 24-25 August 2010.
Conventional protein sources for aqua feed
Aquaculture production reached 60 million tonnes in 2010 with a value of $119 billion, contributing 36.9% of total fisheries production. Over 46% of aquaculture depends on external feed inputs which are expensive. Fishmeal is the major protein source but supplies are limited and prices are high, creating an urgent need to find alternative protein sources like animal byproducts, plant proteins from soy, corn and oilseeds, and microbial sources like algae and yeast. Sustainable aquaculture feed development must consider economics, local ingredients, research, and small farmers.
ELECTRONIC FISH FINDING EQUIPMENTS
The echo sounder is an instrument used to detect fish and map the seafloor. It consists of a transmitter that sends pulses, a transducer that converts the pulses to sound waves and receives the echo signals, a receiver that amplifies the echo signals, and a recorder that displays the echoes. The echo sounder is used to determine depth, map the seafloor contours and bottom composition, locate wrecks, and find fish schools. Sonar operates similarly but uses lower frequencies for longer range detection from ships and boats. Different types of sonar exist for short, medium, and long detection ranges.
Fish for Better Nutrition: Policies and Strategies for Increased Production o...
This document outlines Bangladesh's policies and strategies for increasing production of nutrient-rich small fish. It discusses Bangladesh's fisheries resources, production levels, and contributions to the economy and food security. It emphasizes the importance of small fish for nutrition and livelihoods of the poor. Strategies proposed include habitat restoration, fish sanctuaries, stock enhancement, and community-based floodplain and pond management. The goal is to develop policies that promote small fish diversity in wetlands and adoption of pond and rice-field polyculture technologies.
10. Impacts of climate change on aquaculture and fisheries in the Mekong region
This document outlines a proposed project to address climate change adaptation needs in aquaculture and inland fisheries in the Mekong Delta region of Vietnam. The project would have 4 main components: 1) conducting vulnerability assessments and risk mapping, 2) developing and piloting adaptation measures using an ecosystem approach, 3) building adaptive capacity, and 4) monitoring and evaluation. The overall objective is to strengthen resilience and adaptive capacity of rural communities dependent on aquaculture and fisheries in the face of climate change risks. Key activities would include research, developing management plans, strengthening government and community capacity, and mainstreaming adaptation into policies. The project aims to support sustainable development and food security in vulnerable communities.
Hatchery Management of Grouper
This document provides information about groupers, including their taxonomy and key details about their reproduction and culture. It begins by classifying groupers taxonomically from kingdom to family. It then discusses that groupers are popular aquaculture species in Asia-Pacific due to their fast growth, hardiness, and processing attributes. While grouper culture is widespread, development is constrained by limited fingerling availability, with most economies relying on wild-caught fry and fingerlings. The document provides further details on grouper biology, reproductive strategies, hatchery design considerations, and broodstock management practices.
Feeding of shrimps
This document discusses the nutritional requirements and feeding regimes for shrimp. It outlines that shrimp require proteins, lipids, energy, cholesterol and other nutrients. It then describes BernAqua's unique feeding regime that provides customized nutrition for different shrimp growth stages, including using microalgae, Bactosafe, Nannogreen, Artemia cysts, Spirulina, and Biosphere. Various liquid and dry diets are discussed that help promote shrimp growth and survival while maintaining healthy tank conditions.
Use of rotifer in aquaculture of bangladesh
Rotifers are popularly called as wheel animalcules. They are an important group of live food organisms for use in aqua hatcheries. Brachionus, which is the most known form of all rotifers, serve as an ideal starter diet for early larval stages of many fish and prawn species in marine as well as freshwater. Species of the genus Brachionus (Brachionidae: Rotifera) are well represented in different water bodies worldwide (Pejler, 1977). Depending on the mouth size of the cultured organisms, small (50 to 110 micron length) or large (100 to 200 micron length) rotifers are used. There are about 2,500 species of rotifers have been known from global freshwater, brackish water, and seawater. B. plicatilis is the species used most commonly to feed fish larvae in hatcheries around the world. It is a euryhaline species, small and slow swimming, with good nutritional value. It is well suited to mass culture because it is prolific and tolerates a wide variety of environmental conditions. The rotifer, B. plicatilis and B. rotundiformis, have been indispensable as a live food for mass larval rearing of many aquatic organisms (Maruyama et al., 1997). By way of significant developments in larval rearing technology of fishes, demand for the rotifer is further increasing.
Murrels
the presentation provides the details regarding the murrels or snakeheads which includes the basic taxonomy, some of the important species, distribution, special characters, its aquaculture potential, food and feeding habits, sexual dimorphism, parental care, age at maturity, the maturity stages, breeding season, courtship and mating, natural spawning, fecundity, induced spawning using ovaprim and HCG and LHRHa, and also the detailed facts regarding larval reariing.
Fishery Science: Penaeus monodon culture sudeshrathod
Fishery Science: Penaeus monodon culture sudeshrathodDr. Sudesh D. Rathod, B N Bandodkar College of Science
This material is for TYBSc students learning in Mumbai University, India.
The course is Applied component Fishery BiologySeabass breeding
This document provides information on the breeding and hatchery management of seabass. It discusses the taxonomy of Asian seabass and European seabass. It describes the identifying characteristics, feeding habits, and habitat of seabass. The document outlines the reproductive biology of seabass, including their hermaphroditic nature and spawning habits. It discusses broodstock maintenance, including the use of floating cages and concrete tanks. The document details methods for seed production, including stripping and artificial fertilization or induced spawning. It also covers incubation and hatching of eggs, larval rearing, and grading of fry.
State of world fisheries and international fight against IUU fishing
A short presentation on some the issues surrounding illegal, unregulated and unreported fishing in Asia
Fish Feed Technology and Feed Management for Carp-nursery-ponds
The document summarizes fish feed technology and management for carp nursery ponds. It discusses the growth of aquaculture production in India and the corresponding increase in demand for aqua feeds. Locally available ingredients like rice and wheat bran are commonly used in freshwater aquaculture feeds but have limitations. The ICAR-CIFA has developed extruded floating feeds for carp using local ingredients like til oil cake which have shown improved growth and survival rates in demonstrations and field trials compared to commercial feeds. Extrusion processing, soaking, steaming and fermentation techniques can improve the nutritional quality and digestibility of feeds. The document provides details on the formulation and performance of carp starter and grower feeds developed by ICAR-CI
What's hot (20)
CAGE CULTURE OF FISH THEIR TREND,STATUS AND PRODUCTION
CAGE CULTURE OF FISH THEIR TREND,STATUS AND PRODUCTION
Production and Formulation of Fish and Shrimp (Prawn) Feed
Production and Formulation of Fish and Shrimp (Prawn) Feed
Introduce to Whiteleg shrimp (Litopenaeus vannamei) is a threat in Aquacultu...
Introduce to Whiteleg shrimp (Litopenaeus vannamei) is a threat in Aquacultu...
Fish for Better Nutrition: Policies and Strategies for Increased Production o...
Fish for Better Nutrition: Policies and Strategies for Increased Production o...
10. Impacts of climate change on aquaculture and fisheries in the Mekong region
10. Impacts of climate change on aquaculture and fisheries in the Mekong region
Fishery Science: Penaeus monodon culture sudeshrathod
Fishery Science: Penaeus monodon culture sudeshrathod
State of world fisheries and international fight against IUU fishing
State of world fisheries and international fight against IUU fishing
Fish Feed Technology and Feed Management for Carp-nursery-ponds
Fish Feed Technology and Feed Management for Carp-nursery-ponds
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This narrative text summarizes the story of Cinderella. It introduces Cinderella and her cruel stepmother and stepsisters who make her do all the hard work. Cinderella is sad when she cannot go to the ball but her fairy godmother helps her by transforming her clothes and providing a carriage. At the ball, Cinderella dances with the prince but has to leave by midnight, losing her glass slipper. Later, the prince tries the slipper on eligible women to find his partner, and it fits Cinderella, who marries the prince and lives happily ever after.
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BS's PORTFOLIO_ENGLISH
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Rainbow trout! jimmy
The rainbow trout is a fish native to the Pacific coast of North America that has been introduced worldwide for fishing. It lives in both freshwater and saltwater habitats. The trout spawn in gravel beds, laying eggs that are fertilized by the male. Young trout eat insects and algae while adults also eat smaller fish. They have silvery scales with a distinctive pink stripe and can live up to 11 years.
Justin's wildlife trout project
The rainbow trout is a species of fish in the salmon family Salmonidae. It inhabits cold headwaters, rivers, lakes, and oceans across the Northern Hemisphere. Rainbow trout eat a variety of foods including insects, crustaceans, small fish, and fish eggs. They can grow up to 30 inches long and weigh up to 8 pounds, though the largest on record was 57 pounds. Rainbow trout are important as both a sport fish and for human consumption through aquaculture.
Sport fish of oklahoma[1]
This document summarizes the sport fish found in Oklahoma, including bass, sunfish, catfish, trout and other species. It describes each fish's identifying characteristics, habitat, food sources, and spawning behaviors. Several species such as largemouth bass, bluegill and channel catfish are prevalent statewide, while others like walleye and trout are found where water temperatures remain cool. Proper management of these game fish supports recreational fishing in Oklahoma.
Great Lakes Basin Ecosystem
The document provides information on the Great Lakes ecosystem, including its fish, bird, plant, and mammal species. It describes the lake trout, brook trout, lake sturgeon, yellow perch, pumpkinseed sunfish, smallmouth bass, largemouth bass, walleye, Chinook salmon, and coho salmon. It also lists bird species like the American bittern, northern goshawk, and bald eagle. Key plant species discussed are the blue violet, white oak, white lady-slipper, snow trillium, and white pine. Mammal species mentioned are the timber wolf, white-tailed deer, coyote, black squirrel, otter, and raccoon.
Fish fauna of Gilgit-Baltistan
Gilgit-Baltistan (GB) has colossal normal blessing of freshwater assets. Its spouting waterways, singing streams and crisp water lakes have an extensive variety of local and extraordinary fish species. The frosty and crisp waters of GB are known to have 20 unique types of freshwater angle, including 17 locals and three exotics while four species are endemic to GB area. some of the fishes found in GB are Trouts (including brown, snow and rainbow trout), goldfish, crap fish and cat fish.
Freshwater Fish ppt. (1).ppt
1. The document describes several common freshwater fish species found in Texas, including bass, catfish, crappie, trout, and walleye.
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Animals that Live in Estuaries
Estuaries are ecosystems where freshwater from rivers meets saltwater from the sea. They are highly productive habitats that support a great diversity of wildlife, serving as nurseries for many fish and breeding grounds for birds. Over time, estuaries fill with sediment from rivers and tides, eventually transforming into dry land. They provide food and shelter for many species of fish, birds, shellfish, and mammals.
Chinnok salmon
The Chinook salmon is the largest Pacific salmon, growing up to 36 inches long and weighing 30 pounds. It has a conical head with a blunt snout that is extended and turned down in breeding males. The female digs a nest in the gravel and lays between 4,242-13,619 eggs, which she then abandons as she dies within days or weeks. Chinook salmon migrate long distances, up to 1,200 miles, between their fresh and saltwater habitats and may spend 1-8 years maturing in the ocean before returning to freshwater to spawn.
Seafood and Types
Seafood is any form of sea life regarded as food by humans, prominently including fish and shellfish. Shellfish include various species of molluscs, crustaceans, and echinoderms.
Whale shark ppt
The whale shark is the largest known fish species. It can grow up to 18 meters long and weigh over 11 tons. Whale sharks filter feed on plankton and small fish. They are found in tropical oceans worldwide and are known to migrate long distances annually. Despite their massive size, whale sharks are vulnerable to overfishing and are listed as endangered on the IUCN Red List.
Presentation1.pptx diveristy in fishes
This document provides an overview of the many ways that fish diversity can be categorized, including by species, habitat, lifespan, size, breeding behavior, brooding behavior, feeding behavior, vision, shape, locomotion, toxicity, and human use. It discusses the large number of fish species that have been discovered and some of the extreme variations that can be seen between different types of fish in each of these categories.
Would you like to know more about the seacreatures
The document provides information about several sea creatures including dolphins, jellyfish, crabs, seals, herring, porpoises, turtles, salmon, mussels, starfish, and mackerel. For each creature, details are given about their physical characteristics, habitat, diet, behavior, and other interesting facts. The document aims to educate readers about the diversity of life in the oceans and seas.
Sacramento sucker fish
The document summarizes information about the Sacramento sucker fish, including its classification in the animal kingdom, habitat in streams and lakes, physical characteristics such as size and coloration, diet of algae and invertebrates, behavior and life cycle of up to 6 years, threats from a federal fish protection ruling that could impact water supply, and fun facts about their difficulty to catch and breeding habits.
Black tip shark
The document provides information on the blacktip shark (Carcharhinus limbatus), including its taxonomy, description, distribution, biology, feeding behavior, life history, and interactions with humans. It notes that the blacktip shark is found worldwide in tropical and subtropical coastal waters, preys mainly on fish in schools, and gives birth to 4-7 pups every other year. The species is fished commercially and recreationally across much of its range and has been assessed as Near Threatened by the IUCN due to overfishing.
Alaska Fish ABC's Coloring Book
This coloring book document provides information about various fish species found in Alaska through illustrations and descriptions. It was created by the Bureau of Land Management and U.S. Fish and Wildlife Service to teach about Alaska's fisheries. The document contains descriptions of over 20 fish species found in Alaska, explaining their appearance, habitat needs, life cycles, and importance. It emphasizes the importance of protecting fish habitat and practicing sustainable fishing.
Acres_PredatorPreyInteractions
This study analyzed data on the abundance of white shrimp, brown shrimp, spotted seatrout, red drum, and southern flounder in Texas coastal bays from 1987 to 2014 to investigate potential predator-prey interactions between these species. Catch per unit effort data were obtained from fishery surveys and analyzed using co-integration and linear regression methods. The preliminary results found a statistically significant interaction between white shrimp and southern flounder abundance, suggesting white shrimp serve as an important forage species for southern flounder and their population dynamics may be linked. Further analysis is still needed to quantify the direction and strength of these interactions.
Florida Tarpon Fishing
Tarpon are a large, silvery fish species that can live over 50 years. They are found throughout the tropical and subtropical waters of the Atlantic, Gulf of Mexico, and Caribbean. Tarpon undertake spawning migrations in late spring and summer, traveling offshore in large schools to release millions of eggs. Their larvae drift back toward estuaries over 20-30 days before transforming. Juveniles live their first years in marshes and mangroves before moving as adults to a wide range of coastal and estuarine habitats. Tarpon are prized as a sporting fish due to their size, strength, and aerial acrobatics when hooked.
Shark powerpoint
Sorry I was suppose to upload this powerpoint on August 9th but I just couldnt walt so any way this powerpoint that is all about sharks. If you want to learn about sharks before shark week then this is the powerpoint for you. This has info on different types of species of sharks. But I will posted on facebook on August 9th . So if you are on facebook make sure to check it out
Zoologydiversity
The document summarizes the animal diversity found on Saint Martin Island in Bangladesh. It discusses 18 different species representing 4 phyla: Chordata, Arthropoda, Mollusca, and Chordata. For each species, it provides the scientific classification and 2-6 brief characteristics. The species described include fish (e.g. Rupchanda, Shurma, Loitta), birds (e.g. seagull), reptiles (e.g. turtle), amphibians (e.g. frog), and mammals (e.g. dogfish, ray fish). The document aims to catalog the variety of wildlife that inhabits Saint Martin Island.
Charlie's estuaries
Green Darners are one of the largest dragonflies in North America, with bodies over 3 inches long and a wing span of 4.5 inches. They are dimorphic, meaning males and females have different appearances. Red-breasted Mergansers are water birds found in lakes and oceans with long thin bills. They prefer saltwater to freshwater. Black plovers are the largest plover species in North America and are long distance migrants that fly far distances for winter. Candiru fish are found in Brazilian rivers and estuaries and can be dangerous, entering human urethras when people urinate in the water. Hermit crabs need access to the sea to breed and lay eggs.
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Rainbow trout
- 1. Rainbow trout Chantrelle Drake 5 th Wildlife reed
- 3. .
- 4. The rainbow trout is native only to the rivers and lakes of North America , west of the Rocky Mountains, but its value as a hard-fighting game fish and tasty meal has led to its introduction throughout the world. Rainbow trout, also called red band trout , are gorgeous fish, with coloring and patterns that vary widely depending on habitat, age, and spawning condition. They are torpedo-shaped and generally blue-green or yellow-green in color with a pink streak along their sides, white underbelly, and small black spots on their back and fins.
- 6. This species may be distinguished by the uniform, tiny black spotting on its sides and back plus the rose-colored band extending the body length along either side . The rainbow trout is the only species of trout native to the waters of Yosemite National Park . The rainbow is one of the most adaptable of all trout. In Yosemite, the rainbow may thrive in certain places where species such as the eastern brook trout appear thin and unhealthy
- 7. Rainbow trout spawn in the spring from March to June on a rising temperature depending upon the locality and the water temperature . In some of the high mountain waters they have been observed to spawn as late as midsummer. At spawning time, they tend to move upstream and seek the smaller tributaries, or in the case of those inhabiting lakes, inlets are utilized. The eggs hatch in about fifty days.
- 8. The Fish
- 10. Then rainbow trout spread into the Columbia River drainage between 50,000 and 32,000 years ago. When the glacial lakes of the Pleistocene receded, the subspecies became more and more isolated. Both the California Golden Trout and the Sacramento Red-band Trout suspected to be the most primitive Oncorhyncus mykiss subspecies. The origin of a rainbow trout-like subspecies is near the Gulf of California (Roberts 2001).