Biological characteristics of salmon (Salmo salar L.) from the Firth of Szczecin and lower Oder

Abstract

Studies were based on the analysis of mature fish grown in the Baltic Sea. The fish were caught in the Firth of Szczecin and lower Oder. Data have been presented on fish length, weight, age, growth rate, length and weight during sea life, repetition of spawning, and problems of sexual development with attention paid to fish sex.