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

Freshwater Drum Apodinotus grunniens

Sciaenidae (Drums)
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 64 bioassessment sites, 0 rapid fish bioassessment sites, 24 fisheries assessment sites, and 1 fisheries presence-only assessment site. In total, it was collected at 89 distinct sites, or 7.4% of the 1207 total sites monitored by the bioassessment program. It is the 48th most commonly collected species.

The Freshwater Drum was collected in 86 bioassessment sampling sessions and 25 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 1,026 individual Freshwater Drum specimens, ranking it the #60 most collected fish.

Species Distribution Map