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

Smallmouth Bass Micropterus dolomieu

Family
Centrarchidae (Sunfish)
Tolerance
Sensitive
Trophic Class
Top Carnivore
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 206 bioassessment sites, 8 rapid fish bioassessment sites, 92 fisheries assessment sites, and 0 fisheries presence-only assessment sites. In total, it was collected at 300 distinct sites, or 25.5% of the 1177 total sites monitored by the bioassessment program. It is the 20th most commonly collected species.

The Smallmouth Bass was collected in 425 bioassessment sampling sessions and 284 fisheries assessment sessions. It was present in 8 rapid bioassessment sessions and 0 presence-only sessions.

The biological assessment program has collected a total of 17,216 individual Smallmouth Bass specimens, ranking it the #19 most collected fish.

Species Distribution Map