An American fresh-water fish (Ictiobus cyprinus syn. Carpiodes cyprinus); -- called also carp sucker, sailfish, spearfish, and skimback.

The quillback 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.