The change in the appearance of fish in the pre-spawning and spawning period is manifested in the change of color (minnow, dace, char, pink salmon, etc.), the shape of the head and body (Far Eastern salmon) and the size of the fins (grayling), in the appearance of horny rash (carp and salmon). In the vast majority of cases, it is observed in males.
Mating outfit of pisces
Tags: Mating outfit of pisces