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 .

1,563,798

Total Fish Collected

128

Unique Fish Species

2,964

Total Surveys

2,470

FIBI Assessments

Top 5 Most Collected Fish

Species	Total Catch
Central Stoneroller	134,285
Bluntnose Minnow	123,485
Creek Chub	120,489
White Sucker	119,013
Common Shiner	102,896

Top 5 Most Common Fish

Species	% of all sites
Creek Chub	72.92%
White Sucker	64.55%
Bigmouth Shiner	62.45%
Johnny Darter	61.66%
Bluntnose Minnow	60.29%

BioNet Sessions

Methodology	Sessions
Standard Wadeable	1871
Rapid Assessment	180
Fishkill Followup	60
Non-wadeable	53

FishNet Sessions

Methodology	Sessions
Standard Wadeable	348
Game Fish Only	225
Fisheries Non-wadeable	138
Game Fish/Non-game Presence Only Survey	89

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