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 .

1,676,051
Total Fish Collected
133
Unique Fish Species
3,302
Total Surveys
2,787
FIBI Assessments

Top 5 Most Collected Fish

Species Total Catch
Central Stoneroller 141,083
Bluntnose Minnow 129,978
White Sucker 129,622
Creek Chub 129,410
Common Shiner 107,842

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 2052
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