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。

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.

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这些澳大利亚哺乳动物是食底泥动物。

These Australian mammals are bottom feeders.

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这些澳大利亚哺乳动物是食底泥动物。

These Australian mammals are bottom feeders.

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