鱼类早期发育阶段摄食行为研究现状
Present status on feeding behavior studies in early development of fishes
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摘要: 对鱼类早期阶段的摄食行为研究进行了综述。重点阐述了胃含物分析法、饥饿对摄食的影响、摄食器官的形态发育特征与摄食行为的关系、食物选择及其生理生态因子对摄食的作用。初步探讨了仔稚鱼饥饿后的捕食量和捕食速度的变化,并结合食物保障,分析了食物选择性指数I在鱼类摄食行为研究中的应用。Abstract: This paper reviews methods and application of feeding behavior following aspects: (a) stomach contents analysis; (b) effects of starvation on feeding behavior; (c) relationship between feeding behavior and the morphological characteristic of the digestion organs; (d) effects of ecological and physiological factors on the feeding selectivity of fish. Consumption, prey speed of starvelling larvae and Ivlev index I were also analyzed.