A fresh-water fish of many species, of the genus Uranidea, esp. Uranidea gobio of Europe, and Uranidea Richardsoni of the United States; -- called also miller's thumb.

In America, several species of Amiurus; -- called also catfish, horned pout, and bullpout.

A marine fish of the genus Cottus; the sculpin.

freshwater sculpin with a large flattened bony-plated head with hornlike spines

any of several common freshwater catfishes of the United States

Any of the freshwater catfishes of North America east of the Rockies belonging to the family Ictaluridæ. Comprising 5 genera and 39 species in North America, the Bullheads are characterized by four barbels, an adipose fin, and a single spine in the dorsal and pectoral fins. Represented in the North Country by the diminutive Tadpole Madtom ( Noturus gyrinus).