Iowa DNR
River & Stream Biological Monitoring
Fish and Benthic Macroinvertebrate Surveys
Physical Habitat Assessments

Silver Redhorse Moxostoma anisurum

Catostomidae (Suckers)
Trophic Class
Benthic Invertivore
Is Exotic to Iowa?
Is Lithophilous Spawner?
Is Hybrid?
State Listing Status
Not Listed
Assessment Program Statistics

This species was found at 46 bioassessment sites, 0 rapid fish bioassessment sites, 41 fisheries assessment sites, and 1 fisheries presence-only assessment site. In total, it was collected at 87 distinct sites, or 6.8% of the 1285 total sites monitored by the bioassessment program. It is the 51st most commonly collected species.

The Silver Redhorse was collected in 74 bioassessment sampling sessions and 70 fisheries assessment sessions. It was present in 0 rapid bioassessment sessions and 1 presence-only session.

The biological assessment program has collected a total of 1,926 individual Silver Redhorse specimens, ranking it the #52 most collected fish.

Species Distribution Map