The quillback (Carpiodes cyprinus) is a type of freshwater fish of the sucker family. It grows to 26 inches (65 cm) and are deeper bodied than most suckers, leading to a carplike appearance. It can be distinguished from carp by the lack of barbels around the mouth. The coloration is silvery and it has large scales. It is called quillback because of the long filament that extends back from the dorsal fin. The species is widely...