渤海南部半滑舌鳎的食性及摄食的季节性变化

本文研究了渤海南部半滑鳎的食性及其摄食的季节性变化，胃食物分析结果表明，半滑舌鳎为底栖生物食性鱼类，以虾类，蟹类，双壳类及部分中下层小型鱼类为主要食物，兼食一些多毛类，头足类，腹足类，棘皮动物及海葵，半滑舌鳎终年摄食，其摄食强度的周年变化不大，半滑舌鳎常年捕食鲜明鼓虾，日本鼓虾，口虾蛄，隆线强蟹及泥古隆背蟹等。夏季加强捕食小刀蛏，凸壳肌蛤等双壳类，降春季外还捕食一些以虾虎鱼为主的中下层小型鱼类。

FEEDING HABIT AND SEASONAL VARIATION IN FOOD CONTENT OF CYNOGLOSSUS SEMILAEVIS(GUNTHER) IN THE BOHAI SEA

This paper deals with the feeding habit and the seasonal variation in food content of C.semilaevis in the South Bohai sea. Altogether, 821 stomachs of the adult specimens, 18-57 cm in standard length,collected from the mouth of the yellow river and the Laizhouwan Bay in the Bohai sea from 1982 to 1983 have been studied. The results are as follows.C. semilaevis is a predatory fish with a more mixed diet. It takes nearly 50 species of animals, mainly shrimps, crabs, small fishes and bivalvia, of which the fol...