Whale shark with injury to the dorsal fin, likely to be caused by collision with a vessel. Credit: Gonzalo Araujo ...

On one occasion, she grabbed the skin under a whale shark’s first dorsal fin as it cruised by. She held on, going ever deeper underwater until, at some point, it occurred to her she’d better ...

Captive whales don't have enough space to reach these speeds. Ultimately, the curved dorsal fin is still a mystery. Curved, or not, the orca's giant fin is a beacon to all, this apex predator is a ...

A Stethacanthus’ dorsal fin is in the same location ... placing its size up to 33 feet in length! Like today’s whale sharks it had a mouth full of teeth that were used to crush up its food.

TERRIFYING footage shows the moment a group of fishermen wrestled a great white shark back into the water after catching it. The whopping 13ft animal was caught by experienced fishermen Luke Beard ...

He has even dressed up as a killer whale, complete with towering black dorsal fin, to gauge the reaction of lemon sharks (one tried to bite him). An associate research behaviorist at the Bodega ...

Researchers discovered an octopus catching a ride on a shortfin Mako shark off the shores of New Zealand, according to ...

Two killer whales have killed dozens — if not hundreds — of sharks, including the vaunted great whites, with an ease that has ...