Use of Fish and Fish Products. Food Fish is eaten by man as part of his diet and is a good source of protein.
Source of income
Fishes are sold for money and this provides a major source of income to fish farmers ad fish traders
Man derive great pleasure from watching fish in private and public ponds, television screen and movies.
documentary and film making using aquarium
Fish are used for scientific experiments and researches to increase knowledge
Recreation purpose of rearing fish
Sport fishing as a recreation man has played important role in the social lives of people who are engage in it. In other words, it has contributed to their happiness.
Improvement of human health using fish products
Some species of tilapia and top minnows have been used to control malaria in the tropics since they prey in mosquitoes.
By-products of fishes
Some by-products of fish are useful to man. Examples include:
This is obtained by grinding dried parts of fish. It is in animal protein source, especially in poultry feeds.
Oil can be extracted from fish and used by man. There are two kinds of fish oil.
The one that is Extracted from the fishes themselves which is used in making paints, enamels, vanishes, candles, and soap;
and the one which is extracted from fish liver, usually from the cod fish (stock fish) known as cod liver oil.
This contains a lot of vitamins and is used as medicine, especially for babies.
The discarded parts of fish as well as those fishes that have gone bad are heaped to decompose and are used as manure for growing crops.
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(d) Fish skins: The skins from fishes especially sharks, are used as leather for bags, shoes and other leather works.