This means that king penguins, which feed on fish and krill in this body of water, have to travel further to their feeding grounds, leaving their hungry chicks for longer.

这就意味着，以这片水域中的鱼类和磷虾为食的帝企鹅，必须去到更远的地方觅食，而饥饿的幼崽则需要等待更长的时间。

youdao

They usually feed on fish.

牠们通常以鱼类为食。

youdao

Many sharks feed on fish and other sea animals.

很多鲨鱼以鱼和其他海洋动物为食。

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"It could be taken up by crustaceans like shrimp crabs, things like that which are the base of the food chain and that could be passed up to fish and then mammals and the toxins could be concentrated and that could be harmful to animals that feed on these smaller organisms."

VOA: standard.2010.05.09

In fact large fish like sharks, tuna and swordfish feed on smaller fish and can accumulate high levels of environmental pollutants like mercury.

CNN: Beware of shark meat, FDA warns

Moreover, much of the flood-plain is actually forest, which provides a particularly nutritious array of rotting leaves for the fish to feed on.

ECONOMIST: The Mekong river

It releases a surge of warm water from the equator which kills off the plankton causing the fish which feed on them to die of starvation and driving the survivors south into Chilean waters.

ECONOMIST: The unkind child