Androgens are classically thought of as the sex steroids controlling male reproduction.
However, in recent years evidence has accumulated showing that androgens can also be …

The major progestin in teleosts is not progesterone, as in tetrapods, but 17, 20β‐
dihydroxypregn‐4‐en‐3‐one (17, 20β‐P) or, in certain species, 17, 20β, 21‐trihydroxy …

An examination of the scientific literature shows that much effort has been directed towards
developing the biological fundamentals of sturgeon hatchery stock enhancement. The …

In higher vertebrates, considerable progress has been made in understanding the
endocrine regulation of puberty; however, in teleosts, the regulatory mechanisms of …

Three hundred and five Atlantic sturgeon caught in the Hudson River and Hudson Bight
were examined for age, body size and gonadal development (histology). Sampled fish …

Fish Histology: From Cells to Organs, 2nd Edition provides up-to-date information that
emphasizes the relationships and concepts by which cell and tissue structures of fish are …

Plusieurs ouvrages ont été consacrés aux ichtyofaunes européennes ou françaises-aucun
n'avait un champ d'étude aussi vaste et ambitieux que Biologie des poissons d'eau douce …

Because white sturgeon Acipenser transmontanus show no readily discernible external
signs of gender, management agencies use surgical biopsies to determine the sex and …

Changes in serum levels of estradiol‐17/J (E2), testosterone (T), 17, 20β‐dihydroxy‐4‐
pregnen‐3‐one (17, 20β‐P) and vitellogenin (VTG), in cultured adult female bester were …

Although molecular mechanisms underlying steroid effects on GnRH and dopamine
receptors are well documented in mammals, little is known in fish. Herein, we describe the …