Puberty, fruitfulness and effi ciency of natural reproduction of the pike perch (<i>Sander Lucioperca Linnaeus</i>, 1758) the Krasnodar reservoir
It is established that in the conditions of the Krasnodar reservoir population of a pike perch possesses high speed of hollow maturing: the considerable part of manufacturers ripens already at two-year age at length of 20-26 sm and to weight of 146-320 Individual absolute fruitfulness of a pike perch fl uctuates from 18,4 thousand berries to 596,2 thousand berries, averaging 290,67 thousand berries. Effi ciency of spawning of a pike perch of 0,072 %. 0,061-0.082.