THE world’s “most mysterious” shark that lives for 400 years has been spotted lurking off the UK’s coast. Greenland sharks ...

Despite its significant size, extensive habitat range, and vulnerability, the Pacific sleeper shark has only recently been the subject of research. This lack of study primarily stems from its ...

Pacific sleeper shark in research ‘sling’—allows scientists easy access to tag and study the animal at the surface of the ...

The Roughskin Dogfish: A Rare Deep-Sea Predator The creature was identified as the roughskin dogfish (Centroscymnus owstonii), a member of the sleeper shark family. Known for its rough-textured ...