Fox News: Terrifying shark with extendable jaws like the ‘Alien’ monster is dragged from the deep

Fox News: Terrifying shark with extendable jaws like the 'Alien' monster is dragged from the deepScientists were left baffled after catching a rare shark that can extend its jaws beyond its mouth – just like the monster from sci-fi hit Alien.

It seizes its pray with its rapidly extending jaws – which can be used to swallow large fish with one bite.

The glow-in-the-dark beast is so incredibly rare that only a handful have been caught since they were first discovered in 1986.

Taiwan’s Fisheries Research Institute said it had picked up five of the creatures near Donghe Township during a routine survey.

Describing them, it said: “The most obvious feature are the needle-shaped teeth, like snake-like fangs; this is also the origin of viper shark name.”

Because they are so seldom seen, little is known about viper sharks =- but they’re believed to migrate from 300m-400m deep during the day to 150m deep at night.

Of the latest specimens – which were caught at a depth of 350m – four were dead and the living shark was immersed in cool seawater, but died a day later.

The viper shark diet comprises crustaceans and bony fishes, including lanternfishes – perhaps attracted by the predator’s glowing body.

The species was first discovered in 1986 off the coast of Shikoku Island, Japan, by the bottom-trawler, Seiryo-Maru.

Its scientific name Trigonognathus kabeyai honours the fishing vessel’s captain, Hiromichi Kabeya.

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