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 ...

Robots could benefit from research into fish fins at the University of Colorado Boulder. Engineer Professor Francois Barthelat has been examining the mechanics that allow fins to be flexible and stiff ...

By merging concepts from engineering and nature, the new study presents a novel approach to powering UUVs. The current study ...

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

The coelacanth has gills similar to those of fish living at the depths in which ... these fishes' paired lobe fins are supported by the same basic bones as your arms and legs.

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 ...