Abstract
Publisher Summary This chapter discusses the neuroendocrine regulation of sex reversal in teleost fishes. Sex reversal is a complex integrative, multilevel phenomenon that covers multiple aspects of multiple endocrine axes. It also discusses various types of sex reversal, social control, and evolutionary aspects, and most importantly the neuroendocrine control mechanisms of sex reversal in fishes. Sex change in fishes is one of the most fascinating aspects in the field of vertebrate reproduction. Sex change can be from female to male (protogyny) or male to female (protandry). Social cues mediate the change process, but these cues trigger a cascade of events in the hypothalamic–pituitary–gonadal axis. The end result is a total reconfiguration of the gonad and behavior. Chemical signals ranging from classical neurotransmitters to neuropeptides to steroids are involved.
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