Researchers have uncovered in anglerfish a specialized motor neuron population for the first dorsal fin used for 'fishing'. When the first dorsal fin evolved from a swimming and buoyancy aid to a ...
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 ...
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.