动物吃鱼的英语是 "fish-eating animal"。这个表达来源于英语中的 "fish" 和 "eat",这两个单词在英语中都有着明确的含义。

下面是一些英文例句及其中文翻译:

"Birds of prey, such as eagles and owls, are fish-eating animals." (鹰和猫头鹰等猛禽是吃鱼的动物。)
"Many species of dolphins and whales are also fish-eating animals." (许多海豚和鲸鱼也是吃鱼的动物。)
"Fish-eating animals have adapted to hunt and eat fish as their primary source of food." (吃鱼的动物已经适应了以捕猎和吃鱼为主要食物来源的生活方式。)