Field Guide

Mooneyes are silvery, flat-sided fishes with large eyes and prominent teeth on the jaws, roof of the mouth, and tongue. A fleshy keel runs along the midline of the belly. The eye is silvery and larger than the goldeye’s.

Goldeyes are silvery, flat-sided fishes with large eyes and prominent teeth on the jaws, roof of the mouth, and tongue. A fleshy keel runs along the midline of the belly. The iris of the goldeye is golden.

In Missouri, the mottled sculpin occurs in the Niangua River system, some tributaries of the Lake of the Ozarks, the Meramec, Gasconade, and Osage river systems, and some other eastern Ozark streams. It is most similar to the Ozark and knobfin sculpins.

The Ozark sculpin occurs only in the Osage, Gasconade, and Black river systems, in the Ozarks of southern Missouri and northern Arkansas. It is most similar to the mottled and knobfin sculpins.

The knobfin sculpin occurs only in the Current, Eleven Point, and White river drainages in the Ozarks of southern Missouri and northern Arkansas. Until 2010, it was considered the same as the Ozark sculpin.

The yellow bullhead is widespread in Missouri. It is the most common bullhead catfish in the Ozarks and Bootheel lowlands. It has white chin barbels, and the edge of its tail fin is straight, not notched.

In Missouri, the brown bullhead occurs in quiet, clear waters in wildlife refuges in southeast Missouri. Elsewhere in the state, it is stocked and possibly escapes. It has mottled sides and an elongated barbel at the corner of the mouth.