这些鱼类分为4个主要生态类型，包括河口性鱼类、近海鱼类、江海洄游型鱼类和淡水鱼类。

These fish could be categorized into four types, including estuarine fishes, marine fishes, diadromous fishes and of freshwater fishes.

youdao

预计洄游型香鱼在水库大坝建成后将在飞云江流域消失，但库区中也有可能出现陆封型香鱼种群。

It can be expected that the ayu of migration type will be completely vanish in Feiyun river after building the DAMS across the river.

youdao