Now he can catch fish for food but he doesn't have a fishing rod long enough.

现在他能抓鱼作为食物，但他没有足够长的鱼竿。

youdao

They are mainly small fish for food, followed by aquatic insect larvae, and so on.

它们主要以小型鱼类为食，其次为水栖昆虫的幼虫等。

youdao

Often, the fish escape and compete with native fish for food, leading to declines in native populations.

这类鱼经常在逃跑后和当地的鱼群争抢食物，因此导致当地鱼群的数量减少。

youdao

Many fish depend on this small life-form for food.

VOA: special.2010.11.09

And so fish doesn't become a food to eat because it's good for you; you eat it because it has Omega-3's.

所以我们不是因为鱼好吃所以才吃鱼,而是因为其中含有ω-3脂肪酸

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"These fish are voracious eaters. In order for it to be economically profitable we are going to have to find some way to get cheaper food for fish.

VOA: standard.2010.03.04

Pelaez plans to use her degree to go into aquaculture production and raise saltwater fish for food.

MSN: Breaching humpback whales steal the show on fishing trip

An electric barrier in a shipping canal near Chicago is meant to keep them from migrating into Lake Michigan, where scientists say they eventually could spread to the other Great Lakes and out-compete native fish for food.

WSJ: Study: Asian carp unlikely to stow away in barges

But the company has discovered that its algae can be processed into other useful things: feed for fish farms, protein powders for food supplements and omega-3 fatty acids used in a variety of supplements and pharma products.

FORBES: Names You Need To Know: Aurora Algae