Bluish to grayish above and white below. Tail deeply forked. No scales. No spots. Barbels extend from the chin and upper jaw. Both dorsal and pectoral fins have strong, sharp spines. White catfish have shorter barbels on the upper jaw than channel catfish, and barbels on lower jaw are whiter. Head is more rounded and white on bell extends to rear of anal fin. Found in Lahontan and Willow Creek reservoirs and the Humboldt River with channel catfish.