A Tiny Fish With Terrifying Fangs and Opioid Venom
The fangblenny doesn’t care about your pain.
by Ed Yong
Mar 30, 2017
3 minutes
Think about a venomous fang, and you’ll probably conjure up an image of a snake or spider. But perhaps you should also spare a thought for group of unassuming reef fish that are appropriately called fangblennies. They are finger-sized, colorful, and rather cute—that is, until they open their mouths. Their lower jaws bear two upsettingly large canine teeth, capable of delivering a deep bite. And the evolution of those teeth, according to a new study by Nicholas Casewell at the Liverpool School of Tropical Medicine, took the fangblennies down a path of subterfuge, double-crossing, and chemical warfare.
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