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 .

1,679,868
Total Fish Collected
133
Unique Fish Species
3,310
Total Surveys
2,795
FIBI Assessments

Top 5 Most Collected Fish

Species Total Catch
Central Stoneroller 141,287
Bluntnose Minnow 130,108
White Sucker 129,800
Creek Chub 129,573
Common Shiner 108,067

Top 5 Most Common Fish

Species % of all sites
Creek Chub 71.97%
White Sucker 62.54%
Johnny Darter 59.78%
Bigmouth Shiner 58.95%
Bluntnose Minnow 57.99%

BioNet Sessions

Methodology Sessions
Standard Wadeable 2060
Rapid Assessment 180
Fishkill Followup 75
Non-wadeable 53

FishNet Sessions

Methodology Sessions
Standard Wadeable 459
Game Fish Only 242
Fisheries Non-wadeable 148
Game Fish/Non-game Presence Only Survey 93
Stream Sample Date Score
Stream Sample Date Score