Fishkeeping enthusiasts know that creating a harmonious aquarium depends largely on selecting compatible tank mates. While many aquarists are drawn to the vibrant colors and unique personalities of ...

Fish are often thought of as simple creatures that swim, eat, and reproduce without much complexity. However, the natural world is full of surprises, and certain fish species challenge our ...

One touch of a stingray can completely change the mood of an ordinary shopping day. Inside this mall attraction, visitors trade store windows for glowing tanks and close animal encounters. Sharks pass ...

New research, led by the University of Glasgow reveals that adaptation to warmer waters causes fish to display a range of behavioral and biological differences, including obesity, overeating and lower ...

An iconic marine predator has been caught on camera demonstrating a curious way to play with their prey. Scientists have captured orcas, fittingly known as killer whales, engaging in some macabre ...

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

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

Kelly the dolphin gamed her own reward system, then taught the trick to her calf — echoing real tool-use traditions found in ...

Scientists captured video of orcas ramming into sunfish with such force that the fish exploded. The behavior may be for fun ...

The popular grunion runs have started at San Diego and most Southern California beaches. The fish can be spotted through August.