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Gonadal development in triploid Heteropneustes fossilis
Author(s) -
Tiwary B. K.,
Kirubagaran R.,
Ray A. K.
Publication year - 2000
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/j.1095-8649.2000.tb00493.x
Subject(s) - heteropneustes fossilis , biology , gonadosomatic index , catfish , development of the gonads , ovary , germ cell , zoology , andrology , gonad , endocrinology , medicine , fish <actinopterygii> , fecundity , fishery , genetics , gene , population , demography , sociology
Gonadosomatic index ( I G ) and germ cell numbers in seminiferous tubules were significantly reduced in triploid male catfish compared with diploids. Triploid females had lower I G than diploids, with atretic follicles in their ovaries during prespawning and spawning phases.