hornyhead

from The Century Dictionary.

• noun The American river-chub, Hybopsis biguttatus or kentuckiensis, a common cyprinoid fish of the fresh waters of the United States. Also called jerker.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Zoöl.) Any North American river chub of the genus Hybopsis, esp. Hybopsis biguttatus.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun zoology Any North American river chub of the genus Hybopsis, especially H. biguttatus.