Salmon is the most popular fin fish species, capturing nearly 40% of category sales. The fin fish category contributed 37.8% to seafood department dollar sales for the 52 weeks ended December 27, ...

A few hundred million years ago, fish fins morphed into the arms and legs of terrestrial animals, according to evolutionary theory. So, you’d think science would know just about everything about them ...

A 400 million-year-old fossilized fin from a strange-looking, primitive fish is shedding light on how fins evolved into limbs that enabled animals to walk on land. Subscribe to read this story ad-free ...

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 ...

Two males of the cichlid fish Astatotilapia burtoni, the model organism used to study spine and soft-ray development in Hoech et al. (Credit: Joost Woltering) Two males of the cichlid fish ...

Ask anyone who keeps freshwater tropical fish to name the top five most exotic, bizarre fish available to hobbyists, and chances are the black ghost knife fish will be in there. Besides looking ...

Ray-finned fish, now the most diverse group of backboned animals, were not as hard hit by a mass extinction event 360 million years ago as scientists previously thought. Ray-finned fish, now the most ...

(CBS Detroit) --If you've caught a trout or salmon in Michigan with its adipose fin clipped, the state Department of Natural Resources (DNR) says it may have a tag with important information. Lake ...