The current study presents a novel underwater propulsion system that is modeled after the caudal fin of fish, particularly ...

Adipose fins are small, fleshy and usually not as elaborately structured as other fins. Although some 6,000 species of fish—including trout, catfish, and salmon—have them, relatively few researchers ...

Do you think that a saltwater tank is vital for keeping stunning, exotic fish? Reevaluate that idea. Freshwater aquariums are ...

Underwater drones usually use electric motor propeller drives. Researchers now want to eliminate their disadvantages with an artificial fish fin.

Researchers at the University of Maryland are developing a new unmanned underwater vehicle (UUV) that mimics the movement of ...

Their streamlined torpedo shape helps them gather enough underwater speed to break the surface, and their large, wing-like pectoral fins get them airborne. Flying fish are thought to have evolved ...

With a face only a mother could love, the southern stargazer fish burrows beneath the sand with only their mouth, nostrils ...

Owners should also watch out for infection and diseases such as fin rot, dropsy, and swim bladder disease. While Betta fish can tolerate dirty water for a short period, long exposure can cause ...

The Sicklefin Redhorse has a long history in the waters of southern Appalachia. But the fish wasn’t rediscovered and recognized as a distinct species until 1992. Now, the fish has been scientifically ...