Scientists have debunked the belief that using tools is unique to mammals and birds, after documenting tropical ... use in multiple species of wrasses—a colorful reef fish.

The swordtail is a beginner-friendly tropical fish species. This hardy fish comes in various vibrant colors and can be kept in a freshwater tank as small as 10 gallons. These traits make ...

Stone snail-crushers, like all other Labrochromis found in Lake Victoria, are known as “mouthbrooding care giver (s),” ...

Charlie Martin, an assistant professor at South Alabama, has been tracking the range of tropical fish like snook. So far, researchers tell AL.com, Alabama is only adding species. That’s been a ...

U.S. wildlife officials want to add a rare Nevada fish to the list of endangered species. A federal proposal was issued Wednesday for the Fish Lake Valley tui chub.