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 .

1,698,166
Total Fish Collected
133
Unique Fish Species
3,378
Total Surveys
2,864
FIBI Assessments

Top 5 Most Collected Fish

Species Total Catch
Central Stoneroller 142,120
White Sucker 131,399
Bluntnose Minnow 131,137
Creek Chub 130,993
Common Shiner 108,280

Top 5 Most Common Fish

Species % of all sites
Creek Chub 71.73%
White Sucker 62.53%
Johnny Darter 59.19%
Bigmouth Shiner 57.93%
Bluntnose Minnow 57.24%

BioNet Sessions

Methodology Sessions
Standard Wadeable 2100
Rapid Assessment 180
Fishkill Followup 75
Non-wadeable 53

FishNet Sessions

Methodology Sessions
Standard Wadeable 488
Game Fish Only 241
Fisheries Non-wadeable 148
Game Fish/Non-game Presence Only Survey 93
Stream Sample Date Score
Stream Sample Date Score