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 .

1,611,050

Total Fish Collected

130

Unique Fish Species

3,102

Total Surveys

2,603

FIBI Assessments

Top 5 Most Collected Fish

Species	Total Catch
Central Stoneroller	136,102
Bluntnose Minnow	126,553
Creek Chub	123,805
White Sucker	123,239
Sand Shiner	104,667

Top 5 Most Common Fish

Species	% of all sites
Creek Chub	70.94%
White Sucker	62.93%
Bigmouth Shiner	60.01%
Johnny Darter	59.74%
Bluntnose Minnow	57.98%

BioNet Sessions

Methodology	Sessions
Standard Wadeable	1935
Rapid Assessment	180
Fishkill Followup	62
Non-wadeable	53

FishNet Sessions

Methodology	Sessions
Standard Wadeable	414
Game Fish Only	227
Fisheries Non-wadeable	139
Game Fish/Non-game Presence Only Survey	92

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