底栖鱼的英文：
demersal fish ;dermarsal

参考例句：

Most species are small bottom dwellers with a weak suction cup formed by the fusion of their pelvic fins.
大部分为底栖鱼，特征是具一个由腹鳍愈合而成的吸力不强的吸盘。

demersal是什么意思：
a. 居于水底的
fish是什么意思：
n. 鱼；鱼肉
v. 捕鱼，钓鱼；搜寻

Fishes is used to refer to different species of fish fishes
的形式是用以指鱼的不同品种

To fish in the air
海底捞月

Big fish eat little fish.
弱肉强食。