Genus Ameiurus is a term that refers to a group of freshwater catfishes in North America. There are several synonyms for this term, including the common name "bullhead" and the scientific classification "Ictaluridae." Other synonyms can include "yellow catfish," "brown bullhead," "black bullhead," and "white catfish." These synonyms are used interchangeably to describe different species within the genus Ameiurus, and help to differentiate between their physical characteristics and habitats. Regardless of the term used, all species within the genus Ameiurus share similar traits such as their flattened bodies, barbels or "whiskers," and bony plates along their sides.