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 …

Hormonal induction of sex reversal is possible in 47 species (15 families) of gonochores (34
species, nine families) and hermaphrodites using one of the 31 (16 androgens, 15 …

Research into the lives of animals in their natural environments has revealed a rich tapestry
of complex social relationships and previously unsuspected social and mating systems. The …

In many species of cultured finfish, females exhibit higher growth rates than males and attain
larger sizes. In addition, in some species, males mature before reaching marketable size …

ABSTRACT A neuroendocrine peptide can induce sex-reversal in pro-togynous labrid
teleosts, similar to androgenic and antiestrogenic steroids. Culture water containing …

To produce all‐male progenies in the fighting fish, Betta splendens, six groups of fry were
subjected to discrete immersion treatment at different 17α‐methyltestosterone (MT) doses …

Steroid hormones play numerous important and diverse roles in the differentiation and
development of vertebrate primary and secondary reproductive characteristics. However, the …

Sex control in aquaculture aims to benefit from desirable traits expressed differentially by
each sex. In ornamental fish, such manipulation can be profitable, especially in species with …

The green swordtail Xiphophorus hellerii is a commercially important ornamental species.
Because phenotypic males (specifically, fish with the sword extension of the caudal fin) are …

Diverse sex-determining systems occur in vertebrates, including environmental sex
determination (ESD), genetic sex determination (GSD) of type XX/XY (heterogametic males) …