write a composition on fish
Answers
fish is a aquatic animal. fishes live in rivers, ocean,ponds , etc. we also pet fishes in fish tank. there are different types of fishes :
star fish
shark
gold fish
paplet
but now days while human are polluting water we can see rarely fishes in seas and ocean. if we want fishes we cannot harm them . some people also eat fishes which will help to make your intelligent.
STOP POLLUTING WATER AND SAVE FISHES.
FISHES are the creature of the water . they are beauty of the aquatic world. imagine how barren sea, ocean, rivers , and the other water bodies were if there were no fishes in them. most of fishes are cold - blooded . they can communicate with one another using sound that they produce using their Skelton or swim bladder.
people In all parts of world depend upon fishes for there food. however in some parts of the world such as Alaska, Greenland, Iceland, etc. people chiefly live on fishes, along the costal region fishing is the cheif profession of many people. many species of fishes have been exceeding affected by toxic water pollution and oil spills . many species are facing extinction. people of the world join hands to conserve and preserve fishes . water pollution must be minimized . the government of the world must implement stricter laws to protect fishes.
HOPE IT WILL HELP YOU.
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THANKS.
disadvantage
many fish of the same breed, breed during monsoon,
even if the fish seeds are collected, it can be mixed with the other species
major problem
lack of availability of quality seeds
overcome the problem
hormonal stimulation
ensured the supply of desirable quantity of seeds
advantage
it increases the yield of fish. In a composite fish culture, five or six different species are grown together in a single fish pond. Fishes with different food habitats are chosen so that they do not compete for food among themselves
definition
In this system, of both local and imported fish, a combination of five or six fish species is used in a single fish pond. These species are selected so that they do not compete for food among them by having different types of food habitats
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