青岛近海欧氏六线鱼食性的研究

青岛近海欧氏六线鱼属底栖肉食性鱼类,主要摄食鱼类、甲壳类、多毛类和头足类等16个生物类群。本文还分析了饵料组成和摄食强度的季节变化,及摄食与消化器官结构相适应的情况。

FEEDING HABITS OF GREENLING FROM COASTAL WATERS OFF QINGDAO

In this paper the feeding habits and food category of the Greenling Hexagrammos otakii from the coastal waters off Qingdao are investigated. The Greenling mainly feeds on Pisces, Crustacea, Polychaeta and Cephalopoda. Apart from these, fish eggs, Gastropoda, Lamellibranchia, and Holothuioidea are discovered in the stomaohes of this fish. The Greenling is a demersal carnivore and is of middle size. The feeding intensity shows seasonal variations and the strongest is in winter. The weakest feeding occurs in the reproductive period of November. The structure of its digestive organ is fit for canivores.