大多数动物都会保护自己幼雏,直到幼雏长大到能照顾自己.在南美洲的河流有一种鱼,它们保护幼雏的方式非常奇怪.这种鱼是鲶鱼的一种,它们用嘴唅著小鱼来帮它们脱险.
当鲶鱼产卵时,它们用嘴来携带鱼卵.据我们所知,在这段时间母鱼都不会进食.待鱼卵孵化后,母鱼会和小鱼们游在一起来保护它们.在有危险的时候,母鱼会张开嘴会出让小鱼们游进去,等待安全了它们才游出来.
原文如下：
Most animals protect their young until they are old enough to take care of themselves.A fish that swims in the rivers of South America protects its young in a very strange way.This fish,a kind of catfish,uses its mouth to keep its babies from danger.
When this catfish lays its eggs,it carries them in its mouth.From what we know,it does not eat during this time.After the eggs hatch,the fish swims with its young to protect them.It opens its mouth when danger appears,and the tiny fish swim inside.They swim out only when it is safe again.