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 explanations — and hopes to get confirmation in the coming months.

Zebra sharks do the same thing before mating, so it’s likely that whale sharks do too. Although researchers do believe that what they observed was some kind of pre-mating behavior, they don’t ...

Shark sex is a bitey business, with males grasping females with their teeth during the act. The resulting wounds are helping scientists to figure out when and where sharks are doing the deed.

Researchers have captured rare video of whale shark courtship behavior, revealing intimate details of the largest fish in the sea.

Sharks are a diverse group of mostly predatory fish. They do not have bones; their skeletons are made of a tissue called cartilage. Sharks traveled the seas long before the dinosaurs roamed Earth ...

“One thing we do know is that it is not possible for a shark to mate with a ray and produce an offspring.” Sharks and stingrays would not match up anatomically and their DNA would be ...

Researchers at Murdoch University in Western Australia have observed pre-mating behaviours in endangered whale sharks at Ningaloo Reef. For the first time, following and biting behaviours were ...

The pyjama shark (Poroderma africanum) is a small, nocturnal predator boasting distinctive stripes, resembling pyjamas. Found off the South African coast in rocky reefs and kelp forests ...