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Growth and feeding habits of Aspius aspius (L.) of the Szczecin Firth, based on study of materials collected in 1972, and 1974-1975, are presented. Growth was studied with the aid of back calculations, while Lagler's method was applied to following the length­ -weight relationship. Investigations on feeding of the Szczecin Firth Aspius aspius were restricted to food composition and occurrence frequency of the food items. Additionally, growth and feeding of the Szczecin Firth Aspius aspius were compa­ red to those of the species occurring in other water bodies.

A contribution to knowledge of biology and economic importance of Aspius aspius (L.) of the Szczecin Firth