Luis Miguel Gutierrez Bringas, a sea-diving tour operator, captured video of a massive sunfish in its natural habitat off the ...

Wild salmon are swimming quicker due to painkillers and other drugs dumped in rivers and the sea, reveals new research.

A new study suggests they can recognize a diver's outfit. A herd of saddled sea bream fish swim closely by a photographer's underwater camera. A recent study suggested two sea bream species could ...

The biggest fish in the sea, a whale shark can weigh many tons ... Scientists don’t know why the animals go so deep. Sharks lack a swim bladder that keeps other fish buoyant, so one idea is ...

Atlantic salmon exposed to anti-anxiety medication during their migration were more successful in reaching their destination ...

Footage has surfaced showing an estimated 1,000-pound ocean sunfish swimming off Tasmania ... “What do you think attacked this fish?” Ocean sunfish, or Mola molas, are the largest bony ...

Mountains to Sea Conservation Trust Its appearance ... which other fish have to help maintain buoyancy. Without a swim bladder, other fish tend to lose control and sink or rise uncontrollably ...

Nearly 30,000 people recently voted in the Monterey Bay Aquarium’s online poll for naming a rescued sea otter. “We’re otter-ly excited to introduce our newest southern ...