The typical dorsal fin is a triangular-shaped piece of skin wrapped around muscles and bony spines or rays that sits on a ...

A tuna-shaped robot takes advantage of the real fish’s secret for speed and nimbleness: selectively folding or sticking out its fins, a feature that could improve aquatic robot designs.

It's one of the "four treasures" of Cantonese cuisine, along with abalone, sea cucumber, and shark fin. But the main reason fish maw is so desired is its supposed medical value. Because of its ...

but the Speartuna can be a surprisingly elusive fish to track down. Here's how to reliably find a Speartuna Fin in Monster Hunter Wilds without spending hours checking every fishing hole.

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 ...

They can retract their dorsal and pectoral fins into slots to reduce drag ... size by gorging themselves almost constantly on smaller fish, crustaceans, squid, and eels. They will also filter ...