Sinonimi: grindle | dogfish | Amia calva
Primitive long-bodies carnivorous freshwater fish with a very long dorsal fin; found in sluggish waters of North America; SYN. grindle, dogfish, Amia calva.
North American fish Amia calva with a swim bladder highly developed as an air sac, enabling it to breathe air. It is the only surviving member of a primitive group of bony fishes.