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

Shoal Chub Macrhybopsis hyostoma

SPC
Family
Leuciscidae (Minnows)
Tolerance
Intermediate
Trophic Class
Benthic Invertivore
Is Exotic to Iowa?
False
Is Lithophilous Spawner?
False
Is Hybrid?
False
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 0.9% of the 1522 total sites monitored by the bioassessment program. It is the 98th 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 #106 most collected fish.

Photo Stream

Photo by John Olson.

Photo by John Olson.

Species Distribution Maps

Taxonomic Distribution Through Time

Sampling Program
Bioassessment
FishNet
Rapid Bioassessment
Esri, USGS | Iowa DNR, Esri, TomTom, Garmin, FAO, NOAA, USGS, EPA, NPS, USFWS | IADNR BioNet
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1/1/2001
1/1/2026
1/1/2001
2001
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1/1/2026

HUC12 watersheds where this species has been found

Esri, USGS | County of Story, Iowa DNR, Esri, TomTom, Garmin, FAO, NOAA, USGS, EPA, NPS, USFWS
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