The little sharks swim around inside their mom, switching between her multiple uteruses. When they get hungry they eat her unfertilized eggs.
Find out everything there is to know about fish and stay updated on the latest news with the comprehensive articles, interactive features and fish pictures at LiveScience.com. Learn more about these fascinating creatures as scientists continue to make amazing discoveries about fish.
In a strange, underwater video, a black mass drifts toward the camera. It's made up of a dark, spherical blob up front and a long, thin tail in the back. And it wriggles.
Remarkable footage shows the snot-textured fish hunting in the extreme pressures of their alien home environment.
When fishers recently hauled up their catch from a river in the province of Guizhou in southern China, they weren't expecting to come face-to-face with a fish that had a bird's head.
Something was rotten in a London art gallery this week — an installation of sequin-embroidered decomposing fish sealed in clear plastic bags.
Eating certain foods may be linked to a delayed or hastened onset of menopause, a new study from England finds.
If you invite the deadly, armored stonefish to a party, know this: It's going to bring not one, but two "switchblades" with it.
An unsettling image of a very strange fish skeleton seems more suited to a conversation about demonology than one about marine biology.
They are among more than 100 deep-sea species recently scooped up off Australia's coast in a mission to identify animals that live in these barely explored, extreme underwater habitats.
A fishy treatment has helped heal two black bears and a mountain lion whose paws were badly scorched in the deadly Thomas Fire, according to the California Department of Fish and Wildlife (CDFW).