People think carp, they think muddy, or bottom feeder. You may hear the term, trash fish.

一提到鲤鱼，大家就会想到在泥泞的河流底层生活的鱼类，甚至可能听到垃圾鱼类的字眼。

That's because bottom feeders, as their name implies, scavenge for food along the murky bottoms of lakes and oceans.

这是因为，“底食者”，顾名思义，就是指它们会在湖泊和海洋浑浊的底部进行觅食。

But make an exception for the bottom feeders, which include fish like cod, halibut, bass, and worst of all: catfish.

但底栖动物例外，包括鳕鱼、大比目鱼、鲈鱼以及最讨人厌的一种: 鲶鱼。

But, most jawless bottom feeders, including the trilobites, vanished.

但是，大多数无颌底栖动物，包括三叶虫，都消失了。

Nasty little bottom feeder, you know the type.

他是个人渣，你知道那种人。

During the colonial era, lobsters were reviled by some as bottom feeders, suitable only for indentured servants and prisoners.

在殖民时代，龙虾被一些人斥为底层食物，只适合契约仆人和囚犯食用。