As if they weren't scary enough, scientists have discovered that sharks can become invisible to preys using an optical trick. Not scared yet? Well, one of the invisible shark species is nicknamed the phantom hunter of the fjords. Run. Now.

The real name of the phantom hunter is Etmopterus spinax, or velvet belly lantern shark, which lives in the deep waters of the northeastern Atlantic Ocean. According to a study published in the Journal of Experimental Marine Biology and Ecology, the shark becomes invisible by regulating the photophores underneath its body, which makes their belly glow, matching the light of the sun above them. As a result, preys or predators looking from under them won't be able to see their silhouettes.

Fortunately, not all sharks can turn invisible: Only 10 per cent of the sharks can use this trick. And even better news: No flying invisible sharks with laser weapons have been discovered yet. [Discovery]

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    Or maybe they're not flying. Shark skin is about the same gray as concrete footpa-



    Seems to me that the only reason the flying invisible sharks haven't been seen yet is because they're, well, invisible.
    Regardless, we're gonna need a bigger boat.


    We need luminescent wetsuits so sharks can't see us from below.
    Also it would look hilarious seeing a bunch of glowing surfers. Probably shouldn't wear them at night though....

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