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 .

1,663,636

Total Fish Collected

133

Unique Fish Species

3,245

Total Surveys

2,738

FIBI Assessments

Top 5 Most Collected Fish

Species	Total Catch
Central Stoneroller	140,127
Bluntnose Minnow	129,391
White Sucker	128,292
Creek Chub	128,254
Common Shiner	107,397

Top 5 Most Common Fish

Species	% of all sites
Creek Chub	72.21%
White Sucker	63.07%
Johnny Darter	60.38%
Bigmouth Shiner	59.72%
Bluntnose Minnow	58.34%

BioNet Sessions

Methodology	Sessions
Standard Wadeable	2014
Rapid Assessment	180
Fishkill Followup	75
Non-wadeable	53

FishNet Sessions

Methodology	Sessions
Standard Wadeable	449
Game Fish Only	234
Fisheries Non-wadeable	147
Game Fish/Non-game Presence Only Survey	93

Top 5 Fish Session Totals

Site	Date	Catch
Turkey River - US confluence with North Fork Turkey	8/21/2019	5,300
Nutting Creek - Clermont	9/13/2010	4,197
Buck Creek - 3.5 miles west of Hopkinton	8/3/2021	4,153
Buck Creek - 3.5 miles west of Hopkinton	7/30/2020	4,129
Buck Creek - 3 miles west of Hopkinton	8/2/2021	4,104

Top 5 Fish Sessions- Most Species

Site	Date	# Species
Turkey River - Garber	8/31/2020	48
Turkey River - Garber	10/3/2003	42
Cedar River - Cedar Rapids	9/23/2020	42
West Fork Cedar River - Lake Considine Co Park	8/23/2021	41
Lime Creek - Brandon	9/4/2007	40

BioNet FIBI Scores

Stream	Sample Date	Score

FishNet FIBI Scores

Stream	Sample Date	Score