AP Scott, JP Sumpter, N Stacey - Journal of Fish Biology, 2010 - Wiley Online Library
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 …