Abstract
The first gonadal maturation in teleosts is under multifactorial control of neurohormones, pituitary gonadotropins, as well as a number of gonadal hormones including sex steroids and growth factors. The speed of this process varies among vertebrates and is controlled by extrinsic and intrinsic regulations. There are species such as Nothobranchius furzeri (Actinopterygii), which is conside…