Why deep-sea dragonfish have such extraordinary jaws

Nice fangs, shame about the bite. The oversize fangs of some dragonfish may help them to snap their weak jaws shut around prey, improving their odds of bagging a meal. Dragonfish go after large prey, and so have jaws that open wide. Closing them quickly is not easy, since drag increases exponentially with jaw length, and rises even more if bulky prey are sticking out the front. Image: Citron

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