主要以昆虫为食。春季在浅水区产卵。由于溪流受到污染，使这种极佳的食用鱼数量减少。

They feed primarily on insects and spawn in shallow water in the spring. Pollution of streams has reduced the Numbers of this excellent food fish.

youdao

主要以昆虫为食。春季在浅水区产卵。由于溪流受到污染，使这种极佳的食用鱼数量减少。

They feed primarily on insects and spawn in shallow water in the spring. Pollution of streams has reduced the Numbers of this excellent food fish.

youdao