Aquarium enthusiasts are often on the lookout ... actually a generic name that’s used to describe many kinds of ray-finned fishes. It mostly refers to one specific family of freshwater fish.

As their name implies, rainbow sharks have more aggressive personalities than many other ray-finned fishes. They’re considered a semi-aggressive breed in aquarium environments. Luckily ...

The Sicklefin Redhorse has a long history in the waters of southern Appalachia. But the fish wasn’t rediscovered and ...

Bichir are bottom-dwelling freshwater fish native to western Africa. They are among the most primitive of the ray-finned fish, the dominant group of modern fish, which arose about 395 million ...

Matthew Davis of St. Cloud State and colleagues analyzed 10 nuclear genes and one mitochondrial gene from 301 taxonomic groups of ray-finned fishes, which comprise the vast majority of fish species, ...

Internet outraged: ‘Not funny, animal abuse’ Fedortsov identified the blob as a smooth lumpfish, a species of marine ray-finned ... aquarium uses human cutouts to cheer up solitary fish ...