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

Shoal Chub Macrhybopsis hyostomus

Cyprinidae (Minnows)
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 12 bioassessment sites, 0 rapid fish bioassessment sites, 1 fisheries assessment site, and 1 fisheries presence-only assessment site. In total, it was collected at 14 distinct sites, or 1% of the 1442 total sites monitored by the bioassessment program. It is the 97th most commonly collected species.

The Shoal Chub was collected in 15 bioassessment sampling sessions and 1 fisheries assessment session. It was present in 0 rapid bioassessment sessions and 1 presence-only session.

The biological assessment program has collected a total of 54 individual Shoal Chub specimens, ranking it the #104 most collected fish.

Species Distribution Maps

HUC12 watersheds where this species has been found