- While jaws give them bite.
而颌则为它们提供了咬的能力 - But there is more to jaws than that.
但是颌的作用不止于此 - Some fish use them to protect their eggs.
有的鱼用颌来保护自己的卵 - Others to attract a mate.
有的鱼用颌来吸引配偶 - Then there's the sarcastic fringehead.
还有勃氏新热鳚 - He doesn't just use his to catch crabs.
它不光用颌来抓螃蟹 - He also uses them for one of the most intimidating displays in nature...
还用颌来展现令人生畏的实力
Others to attract a mate. 有的鱼用颌来吸引配偶
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