The fish were placed in a tank with two feeders, one of which supplied a lot more food than the other, known as the "rich feeder".

这些鱼被安置在一个有两个喂食器的鱼缸里，其中一个喂食器提供的食物比另一个多得多，被称为“富庶喂食器”。

Not all catfish are created equal: we tend to think of catfish as slimy bottom feeders, but that is only true for a small percentage of species.

并非所有的鲶鱼都是生来平等的：我们倾向于认为鲶鱼是黏糊糊的食底泥动物，但那只适用于一小部分物种。

These Australian mammals are bottom feeders.

这些澳大利亚哺乳动物是食底泥动物。

Bird-friendly backyards with full feeders and spring plants.

种植春季植物、备有饲饵台、适合鸟儿的居民后院。

The barnacle and the clam are two examples of filter feeders.

藤壶和蛤类是滤过觅食者的两种例子。