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

Great Lakes tribes and state biologists are working together to reintroduce Arctic grayling to northern Michigan's waterways ...

The coelacanth has gills similar to those of fish living at the depths in ... In addition to their paired fins, the second dorsal and anal fins also have stout, muscular lobed bases.

A Volusia County sheriff's deputy came to the aid of a massive mola mola in danger of dying when the fish became trapped in ...

Frogfish have four fins located on their back, known as the dorsal fins, that play important roles in the fish's lifecycle. The dorsal fins in the middle of the fish's body are used for engaging ...

The student described the lesions on the fish as red or white spots on the dorsal and caudal fins. Laboratory members had captured the bluegills in August and transported the animals to the ...

Check out our stories here. The fish has a “body and head bright orange, with irregular blackish blotches on cheek,” researchers said, and the membranes of the fins are more yellowish. Spines hold the ...

freshwater fish. The nickname arises from its tendency to swim close to the surface, raising its dorsal fin above the water. As for iridescence, river catfish have no scales, but their delicate ...