Learn how fish in the Democratic Republic of the Congo scale a near-vertical waterfall using microscopic hooks.

Segmented hinges in the long, thin bones of fish fins are critical to the incredible mechanical properties of fins, and this design could inspire improved underwater propulsion systems, new robotic ...

Fish are known for their swimming skills. It seems absurd to think of fish functioning outside their aquatic environment, given how they effortlessly glide through water using their fins. This may be ...

Fish fins aren’t just for swimming. They’re feelers, too. The fins of round gobies can detect textures with a sensitivity similar to that of the pads on monkeys’ fingers, researchers report November 3 ...

New research finds some fishes' fins are as sensitive as the primates' fingertips, reports Carolyn Wilke of Science News. “We think about primates as kind of special in the sense that we have really ...

Peer into any fishbowl, and you’ll see that pet goldfish and guppies have nimble fins. With a few flicks of these appendages, aquarium swimmers can turn in circles, dive deep down or even bob to the ...

New research on the fin development of the Australian lungfis elucidates how fins evolved into limbs with hands with digits. The main finding is that in lungfish a primitive hand is already present, ...

An ancient fish sported something like fingers that were the precursors to our own digits, according to an analysis of a new fossil skeleton. "It's really the last piece of evidence to say fingers are ...

Flying fish, for example, deploy their fins to glide above the water, while mudskippers use their fins like legs to walk on land. "We like to pick up where the biologists and zoologists have left off, ...