First feeding of many fish larvae depends on live feed. A comparative investigation the effectiveness different types feed is not available to our knowledge. Hence, we conducted a study examine effect and combinations performance (survival rate, total length, body width, mass, malformation rate) pikeperch, Sander lucioperca, larvae. From day 0 (onset exogenous feeding) 10, saltwater rotifer Bra...

The article presents the research materials of pike perch r. Volga and Kuibyshev reservoir noted changes that have occurred in its population. Prior to creation conditions Middle Volga, male zander matured at age 5–6 years, females 6–7 years. In reservoir, becomes sexually mature 4–5 a small part it matures three. due ecological plasticity ability lay eggs wide temperature range, regardless lev...