Abstract
The biology of feeding and growth pertaining to seasonal variations in diet composition, length-weight relationship and condition factor of Anabas testudineus was studied for a period of one year in two size group fishes (Group I: juveniles of <100 mm and Group II: adults of >100 mm). The length-weight relationship of the fish for Group I was W=0.00849 L3.2168 and for Group II was W=0.00877 L3.1502. The relative condition factor fluctuated from 1.032 to 1.372 indicating a significant variation (p < 0.05) in two size groups. The feeding intensity was maximum during October to December. Diet composition indicated the highest occurrence of insects followed by crustaceans and decayed organic matter. It also showed variations in different size group of fishes.
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