RECREATIONAL RIVER,

ABSTRACT-Two sections of the Missouri River, one extending 94 km downstream from Gavins Point Dam, and the other extending 62 km down-stream from Fort Randall Dam, are legally designated as National Recre-ational Rivers. An ichthyofaunal list and fish habitat data were needed for conservation planning by states and federal agencies (e.g., National Park Service). We collected fish during three summers from four macrohabitats, using five fish collection techniques, and measured fish habitat characteris-tics. Temperature, conductivity, and turbidity varied little, but substrate, depth, and velocity differed among macrohabitats (e.g., depth and velocity in the channel exceeded those elsewhere; sand dominated the substrate except in silt-laden tributary mouths and backwaters). We collected 21,699 fish of 53 species and combined our survey with others to compile a list o