Class 9 Biology Improvement Food Resources Fish production

Fish production

Fish is cheap source of high protein and iodine content.

1. Marine fisheries:

The marine fishery resources include 7500kms of coast line and deep seas.

Some of the marine fish varieties are as follows:

  • Pomphret
  • Mackerel
  • Tuna
  • Sardines
  • Bombay Duck
  • Eel
  • Salmon
  • Hilsa.

They are caught by using either traditional method or modern method.


2. Inland fisheries

Inland fisheries deal with canals, ponds, reservoirs and rivers.

It also includes freshwater bodies like in rivers, canals, reservoirs and lagoons as well as brackish water fisheries.

Some of the inland fish varieties are as follows:

  • Rohu
  • Catla
  • Mrigal
  • Silver carp

A combination of five orsix fish species selected according to their different fooding habits are used in a single fishpond so that they donot compete for food among them resulting in the consumption of all the available food resources in the pond.

Inland fishery is of two types- capture fishery and culture fishery.

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