A large group of yellowfin tuna swimming off the coast of Italy. Like all fish, they sleep, but it's not like human sleep. Giordano Cipriani/The Image Bank via Getty Images From the goldfish in your ...

A video captured by an underwater robot has scientists scratching their heads. The video, which was captured in Beagle Marine Park in Australia, shows thousands of female sharks sleeping on the ...

Everyone knows sharks have a reputation for being intimidating, their bites can be fatal and some can grow to be massively large. But there’s probably plenty about sharks you don’t know. In fact, ...

Thousands of schloofing sharks were spotted in an underwater sleepover party off the coast of Australia. The shiver consisted of Port Jackson sharks, a species that inhabits Australia’s southern ...

GATLINBURG, Tenn. (WATE) — Ripley’s Aquarium in the Smokies hosts Sensory Friendly Nights! The aquarium has earned Champion status through CAN (Champion Autism Network). CAN is awarded to ...

A team of researchers from La Trobe University, the University of Western Australia and the University of Auckland, has found evidence that at least one type of shark sleeps. In their paper published ...

Sleep in fish may look different from humans, but rest is essential for survival. Here’s what experts have to say about fish sleep. A protective mucous cocoon surrounds this parrotfish as it sleeps in ...

A large group of yellowfin tuna swimming off the coast of Italy. Like all fish, they sleep, but it’s not like human sleep. Giordano Cipriani/The Image Bank via Getty Images Michael Heithaus, Florida ...

Michael Heithaus does not work for, consult, own shares in or receive funding from any company or organization that would benefit from this article, and has disclosed no relevant affiliations beyond ...