giffingsharks:

At almost two miles below the surface, the Ghost Shark is an unworldly presence. The Ghost Shark propels itself through the water with large pectoral fins. It uses its giant eyes to spot shellfish, then cracks them open with large grinding plates in its mouth. Not only are the spines on the top of its body razor sharp, they’re loaded with venom that causes intense pain in its victims. The Ghost Shark is truly a prehistoric animal; a haunting relic from 400 million years ago, when fish with jaws first appeared in the ocean.