Iowa DNR
BioNet
River & Stream Biological Monitoring
Fish and Benthic Macroinvertebrate Surveys
Physical Habitat Assessments

Logperch Percina caprodes

LOP
Family
Percidae (Perches)
Tolerance
Sensitive
Trophic Class
Benthic Invertivore
Is Exotic to Iowa?
False
Is Lithophilous Spawner?
False
Is Hybrid?
False
State Listing Status
Not Listed
Assessment Program Statistics

This species was found at 35 bioassessment sites, 0 rapid fish bioassessment sites, 11 fisheries assessment sites, and 1 fisheries presence-only assessment site. In total, it was collected at 47 distinct sites, or 3.1% of the 1522 total sites monitored by the bioassessment program. It is the 70th most commonly collected species.

The Logperch was collected in 71 bioassessment sampling sessions and 28 fisheries assessment sessions. It was present in 0 rapid bioassessment sessions and 1 presence-only session.

The biological assessment program has collected a total of 392 individual Logperch specimens, ranking it the #78 most collected fish.

Species Characteristics

A large darter reaching about 5-inches long. Its color is yellowish-green with about 15 dark crossbands. It usually has 15 dorsal fin rays and 9 anal rays. The top of the head is depressed between the eyes. There are 80 to 90 scales along the lateral line with a black spot at the base of the anal fin.

Photo Stream

Photo by John Olson. Cedar River, Waverly Iowa

Photo by John Olson. Cedar River, Waverly Iowa

Species Distribution Maps

Taxonomic Distribution Through Time

Sampling Program
Bioassessment
FishNet
Rapid Bioassessment
Esri, USGS | Iowa DNR, Esri, TomTom, Garmin, FAO, NOAA, USGS, EPA, NPS, USFWS | IADNR BioNet
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1/1/1995
1/1/2026
1/1/1995
1995
1997
1999
2001
2003
2005
2007
2009
2011
2013
2015
2017
2019
2021
2023
2025
1/1/2026

HUC12 watersheds where this species has been found

Esri, USGS | County of Story, Iowa DNR, Esri, TomTom, Garmin, FAO, NOAA, USGS, EPA, NPS, USFWS
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