Some patterns of age and geographical variation in fish fecundity

Abstract

Some patterns of age and geographical variation in fecundity indices were analyzed in three freshwater fishes (river perch, bream, and Sevan khramulya). A trend to increase in the ovarian relative weight and mature egg size with age has been revealed. Two species with a wide range (perch and bream) demonstrated a tendency to decrease in the ovarian relative… (More)
DOI: 10.1134/S1062359006020166

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4 Figures and Tables