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 .

1,702,627
Total Fish Collected
134
Unique Fish Species
3,402
Total Surveys
2,888
FIBI Assessments

Top 5 Most Collected Fish

Species Total Catch
Central Stoneroller 142,993
White Sucker 131,992
Creek Chub 131,375
Bluntnose Minnow 131,350
Common Shiner 108,618

Top 5 Most Common Fish

Species % of all sites
Creek Chub 71.21%
White Sucker 61.98%
Johnny Darter 58.76%
Bigmouth Shiner 57.15%
Bluntnose Minnow 56.53%

BioNet Sessions

Methodology Sessions
Standard Wadeable 2122
Rapid Assessment 180
Fishkill Followup 75
Non-wadeable 53

FishNet Sessions

Methodology Sessions
Standard Wadeable 491
Game Fish Only 241
Fisheries Non-wadeable 147
Game Fish/Non-game Presence Only Survey 93
Stream Sample Date Score
Stream Sample Date Score