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

Fish Program Statistics and Summary

Fish surveys are a critical component of the assessment process. The BioNet application also hosts data collected by other programs within the Iowa DNR that collected fish using the Bioassessment methods and protocols. These data are stored in the FishNet portion of BioNet. See also: FIBI, Iowa's EcoRegions, About the Bioassessment Program .

1,639,366
Total Fish Collected
133
Unique Fish Species
3,178
Total Surveys
2,671
FIBI Assessments

Top 5 Most Collected Fish

Species Total Catch
Central Stoneroller 138,442
Bluntnose Minnow 128,199
Creek Chub 126,612
White Sucker 126,467
Common Shiner 106,647

Top 5 Most Common Fish

Species % of all sites
Creek Chub 71.47%
White Sucker 62.68%
Johnny Darter 59.97%
Bigmouth Shiner 59.18%
Bluntnose Minnow 57.66%

BioNet Sessions

Methodology Sessions
Standard Wadeable 1948
Rapid Assessment 180
Fishkill Followup 74
Non-wadeable 53

FishNet Sessions

Methodology Sessions
Standard Wadeable 449
Game Fish Only 234
Fisheries Non-wadeable 147
Game Fish/Non-game Presence Only Survey 93
Stream Sample Date Score
Stream Sample Date Score