Some fish scavenge on dead fish in the wild.

在大自然中，有的鱼以死鱼为食。

《牛津词典》

Joe looked in the river, saw a dead fish and pointed at it.

乔往河里看，看见一条死鱼，就指着它。

youdao

Hundreds of dead fish can be seen on the surface of the water because of water pollution.

由于水污染，我们可以在河面上看到数以百计的死鱼。

youdao

Half our coral reefs are dead or dying. We've lost 90 percent of deep blue water,big game fish: the halibut,the tuna and the marlin that we all loved to eat.

VOA: standard.2010.08.04

Waste from fish farms such as uneaten food and dead fish can accumulate and destroy parts of the sea.

ECONOMIST: Fish farming

The package includes measures to protect endangered stocks and end discards - the practice of throwing unwanted dead fish into the sea.

BBC: Euro MPs back large-scale fishing reform to save stocks

Occasionally a dead fish would be found in a shallow swamp, and that fish we cooked or sometimes ate raw.

NPR: Eggers Blends Fact, Fiction of Sudanese 'Lost Boys'