Fins: Help a fish move. The top fins are called dorsal fins. If there are two dorsal fins, the one nearest the head is called the first dorsal fin and the one behind it is the second dorsal fin.

Laboratory members had captured the bluegills in August and transported the animals to the university without ... Some fish had white, smooth, raised plaques on either the dorsal or anal fin ...

Juveniles feed mainly on crustaceans, while adult fish prefer smaller baitfish ... The caudal fin is squared-off, and the dorsal fin has 11 spines and 15-17 rays. The preopercule is rounded without ...

Atlantic bluefins are warm-blooded, a rare trait among fish, and are comfortable ... They can retract their dorsal and pectoral fins into slots to reduce drag. And some scientists think the ...

Fins: Help a fish move. The top fins are called dorsal fins. If there are two dorsal fins, the one nearest the head is called the first dorsal fin and the one behind it is the second dorsal fin.