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 .

1,701,357
Total Fish Collected
134
Unique Fish Species
3,382
Total Surveys
2,868
FIBI Assessments

Top 5 Most Collected Fish

Species Total Catch
Central Stoneroller 142,958
White Sucker 131,715
Bluntnose Minnow 131,264
Creek Chub 131,146
Common Shiner 108,592

Top 5 Most Common Fish

Species % of all sites
Creek Chub 71.59%
White Sucker 62.41%
Johnny Darter 59.08%
Bigmouth Shiner 57.83%
Bluntnose Minnow 57.13%

BioNet Sessions

Methodology Sessions
Standard Wadeable 2102
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