Abstract
Clarias batrachus (Linnaeus, 1758) is a popular food fish of Indian sub-continent due to its high nutritional value. Earlier many workers have carried out studies on feeding and breeding biology of this fish species but convulsive information on the same is not available. So, a survey of published literatures on the induced breeding of C. batrachus has been carried out to consolidate the available information. Environmental factors play an important role in regulating reproduction in fishes. Pituitary gland extract, HCG and synthetic hormones viz., ovaprim and ova tide are successfully being tested for the induced breeding of fishes by various researchers under different climatic conditions, with varying degree of success. Chasm of information has been pointed out for further study mainly on age group wise variation in food preference and correlation of breeding periodicity with hydrological parameters and photoperiod.
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