By cannibalizing their siblings in the womb or avoiding meat-eating pliosaurs, fearsome carnivores like the megalodon ...

Marine biologists off of Baja California recorded one orca teeing up another to smash a sunfish into pieces. Scientists say ...

In the footage, marine biologist Dr Kathryn Ayres, a scientist at Beneath The Waves, in the Gulf of California, watches as a female orca holds onto the tail fin of a recently killed sunfish. The ...

When a male pearly razorfish is snatched from the sea, a female is forced to transition their sex too early. Scientists say ...

The behavior could be a strategy to help younger orcas feed, or it may just be for their own amusement, researchers say ...

But off the coast of Baja California, a group of orcas has adopted a brutal way of hunting sunfish: With an unusual maneuver, ...

In two incidents documented in Mexico’s Gulf of California, orcas worked together to blast sunfish into smithereens after ...

There is a long-standing tension between aquarium hobbyists and marine biologists over how to interpret fish behavior. Scientists rely on controlled studies, data, and field research, while hobbyists ...

Cocaine pollution can affect the behavior of fish—altering, for example, the way Atlantic salmon move through their environment, prompting them to swim farther and disperse over a wider area. So finds ...

A hidden underwater camera captured a vibrant scene beneath the surface of a clear stream, where a school of common rudd (Scardinius erythrophthalmus) moves gracefully among rocks and flowing water.

Discus, often called the 'King of Tropical Fish'. If you have ever dabbled in aquariums, you have surely longed for that beautiful, disc-shaped form at least once. But, at the same time, terrifying ...

Whether served for brunch or dinner, the well-seasoned blackened fish and tender cheesy grits will be a hit. You've likely heard of and eaten many plates of shrimp and grits. But that's not the only ...