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

Gizzard Shad Dorosoma cepedianum

Family
Clupeidae (Herrings)
Tolerance
Tolerant
Trophic Class
Omnivore
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 138 bioassessment sites, 4 rapid fish bioassessment sites, 25 fisheries assessment sites, and 0 fisheries presence-only assessment sites. In total, it was collected at 166 distinct sites, or 13.4% of the 1237 total sites monitored by the bioassessment program. It is the 35th most commonly collected species.

The Gizzard Shad was collected in 201 bioassessment sampling sessions and 25 fisheries assessment sessions. It was present in 4 rapid bioassessment sessions and 0 presence-only sessions.

The biological assessment program has collected a total of 12,770 individual Gizzard Shad specimens, ranking it the #22 most collected fish.

Species Distribution Map