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》

Like a dead fish.

就像秤量一条死鱼。

youdao

And falling oxygen levels lead to dead fish.

含氧量下降致使鱼类死亡。

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

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'

The English fans join in with their own game of dead fish tossing, much to the bemusement of the Portuguese fans.

BBC