Deep sea enthusiasts and researchers are celebrating after the first-ever footage was captured of the elusive roughskin dogfish shark. These deep-sea dwellers have never been captured live on film ...

They're elusive, they push their jaws out of their mouths and they have beards of fleshy tassels – and they're all hiding in ...

Scientists using baited underwater camera recorded roughskin dogfish, rarely seen shark, in central Caribbean for first time, photos show.

Shark born from tank without males at Shreveport Aquarium Yoko the swell shark was born in a habitat of all-female sharks who hadn't seen a male in years. The aquarium has two possible ...

Scientists using baited underwater camera recorded roughskin dogfish, rarely seen shark, in central Caribbean for first time, photos show.

Scientists using baited underwater camera recorded roughskin dogfish, rarely seen shark, in central Caribbean for first time, photos show.

Scientists using baited underwater camera recorded roughskin dogfish, rarely seen shark, in central Caribbean for first time, photos show.

Scientists using baited underwater camera recorded roughskin dogfish, rarely seen shark, in central Caribbean for first time, photos show.

Scientists using baited underwater camera recorded roughskin dogfish, rarely seen shark, in central Caribbean for first time, photos show.

Scientists using baited underwater camera recorded roughskin dogfish, rarely seen shark, in central Caribbean for first time, photos show.

Scientists using baited underwater camera recorded roughskin dogfish, rarely seen shark, in central Caribbean for first time, photos show.