日本香川县自1968年作为食用鱼而引进兰鳃太阳鱼之后,很快即大量繁殖并遍布淡水水系。这种鱼会不会因大量吞食甲壳类及一些鱼类(如鲫鱼、颌须鮈等)、虾类的卵和幼体而破坏水域的固有资源,引起了一些人的疑虑,因而对生活在坑塘和水库中的兰鳃太阳鱼进行了食性分析,现摘其要点。 Kagawa Prefecture, Japan Since its introduction as a food fish in 1968, the blue gill sunfish quickly multiplied and spread throughout the freshwater system. Will this fish cause some people’s doubts as a result of extensive ingestion of the inherent resources of the waters due to the extensive ingestion of crustaceans and some fish (such as crucian carp, jaw jaws, etc.), shrimp eggs and larvae, And the reservoir of blue gill sunfish feeding analysis, now pick the main points.