'Alien'-Like Sharks With Extendable Jaws Pulled From Deep Sea

They were first captured and identified in 1986, but in the 32 years since, they've been seen only rarely and often just by accident. Viper dogfish, Trigonognathus kabeyai, are a deep-sea dwelling type of small shark. Five were recently dredged up as bycatch off the coast of Taiwan.
 The sharks were found during a routine fish survey conducted by a local research institute, according to local reports. Researchers told local outlets that they were able to initially identify the species by the fish's long, narrow jaws, which contain rows of needle-shaped teeth.
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