PROTECTION STATUS: Endangered
YEAR LISTED: 1998
CRITICAL HABITAT: 836 miles of stream in Iowa, Minnesota, and Nebraska designated in 2004
RECOVERY PLAN: None
RANGE: The Kansas and Cottonwood river basins in Kansas; the Missouri, Grand, Lamine, Chariton, and Des Moines river basins in Missouri; the North Raccoon and Rock river basins in Iowa; the James, Big Sioux, and Vermillion river watersheds in South Dakota; the Rock and Big Sioux river watersheds in Minnesota; and two streams in Nebraska
THREATS: Habitat destruction, degradation, and fragmentation from siltation, reduced water quality, tributary impoundment, stream channelization, and stream dewatering; as well as predation by nonnative fish
POPULATION TREND: The number of known Topeka shiner populations has been reduced by approximately 80 percent, with approximately 50 percent of this decline occurring within the last 25 years. The species now primarily exists as isolated and fragmented populations.