This terrifying venomous fish is armed with switchblades under its eyes

Venomous fish armed with switchblades under its eyes © Smith et al., Copeia

Stonefish are already pretty badass – they're the most venomous type of fish we know of, and have a number of sharp fin spines on their body that can unsheathe and attack you at a moment's notice.

But stonefishes have just gone up a level, with scientists discovering the group also has what is basically a switchblade-like bone located under each eye socket.

The researchers have called the switchblade bone a "lachrymal saber", and the terrifying skeletal addition appears to be unique to the stonefish.

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