The effects of two synthetic androgens, 17α‐methyltestosterone (5–50mg/kg food), 19‐nor‐
ethynyltestosterone (2–50 mg/kg food) and two natural androgens, 11 ketotestosterone (10 …

The endocrine mechanisms of sequential hermaphroditism were investigated in
protogynous wrasse, Halichoeres trimaculatus. Administration of aromatase inhibitor and …

A great deal of information is known regarding the process of sex differentiation in fish, and
the mechanisms involved in primary sex determination are now beginning to be defined. A …

Functional sex reversal of all-female nigorobuna Carassius carassius grandoculis to
phenotypic males was examined by immersion exposure of fry to 17-methyltestosterone (17 …

Black porgy, Acanthopagrus schlegeli Bleeker, a marine protandrous hermaphrodite, is a
functional male for the first 2 years of life but begin to sexually reverse to female after the …

Indirect methods such as masculinizing treatments by synthetic sex steroids has widely been
used to produce all-female stocks in salmonids, but they have some disadvantage such as …

Abstract The Malabar grouper Epinephelus malabaricus is an important candidate species
for commercial aquaculture in tropical and subtropical areas. In nature, this species requires …

Sex‐inversion of Coris julis, a protogynous hermaphrodite, was studied using histological
and cytological criteria. Four stages were recognized: oocyte and oogonial atresia; …

Using genetically controlled all-female and all-male tilapia (Oreochromis niloticus), the role
steroid hormones play in the sex differentiation was analyzed histologically, ultrastructurally …

Gonadal sex differentiation in gonochoristic fish is generally labile and under the control of
two interacting processes: genetic sex determination (GSD) and environmental sex …