economic importance of pisces
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Economic Importance of Fish:
(i) Fish as food:
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The fish flesh is an excellent source of protein, has very little fat, carries a good amount of minerals and vitamins A and D and rich in iodine. Above all man can digest it easily. Some important edible fish of India are given in the Table 9.7 & 9.8.
(ii) Fish for controlling diseases:
Diseases like malaria, yellow fever and other dreadful diseases that are spread through mosquitoes can be controlled. Larvivorous fish eat larva of mosquito. The important larvivorous fish are Gambusia, Panchax, Haplochitus, Trichogaster, etc.
(iii) Scientific value:
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Some fish like the lung fish are of zoological importance because of their discontinuous distribution and anatomical features.
(iv) Aesthetic value:
A large number of fish are cultured in aquarium for their beauty and graceful movements. The important aquarium fish are Macropodus, Trichogaster, Carassinus (gold fish) and Pterophyllum (angel fish).
(v) Fishery Bye-products:
(a) Fish oil:
It is extracted from the liver of the sharks, sawfishes, skates and rays and has medicinal value. These mainly include cod liver oil and shark liver oil.
(b) Fish Manure:
The fish waste after the extraction of oil, is used as fertilizers,
(c) Fish Glue:
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(i) Fish as food:
ADVERTISEMENTS:
The fish flesh is an excellent source of protein, has very little fat, carries a good amount of minerals and vitamins A and D and rich in iodine. Above all man can digest it easily. Some important edible fish of India are given in the Table 9.7 & 9.8.
(ii) Fish for controlling diseases:
Diseases like malaria, yellow fever and other dreadful diseases that are spread through mosquitoes can be controlled. Larvivorous fish eat larva of mosquito. The important larvivorous fish are Gambusia, Panchax, Haplochitus, Trichogaster, etc.
(iii) Scientific value:
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Some fish like the lung fish are of zoological importance because of their discontinuous distribution and anatomical features.
(iv) Aesthetic value:
A large number of fish are cultured in aquarium for their beauty and graceful movements. The important aquarium fish are Macropodus, Trichogaster, Carassinus (gold fish) and Pterophyllum (angel fish).
(v) Fishery Bye-products:
(a) Fish oil:
It is extracted from the liver of the sharks, sawfishes, skates and rays and has medicinal value. These mainly include cod liver oil and shark liver oil.
(b) Fish Manure:
The fish waste after the extraction of oil, is used as fertilizers,
(c) Fish Glue:
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