Johnny darter Lakes in Wisconsin

Johnny darter is a rough-fish species — typically common in productive, nutrient-rich lakes, sometimes treated as a management nuisance by anglers targeting game-fish. 119 lakes carry documentation. Johnny darter is moderately distributed — present in 0 Minnesota lakes and 119 Wisconsin lakes. Some counties have it, others do not, so checking the per-lake pages matters.

Rough-fish-dominant lakes are worth checking the grade on: a rough-fish-heavy fishery often reflects an underlying nutrient-loading problem in the watershed. Cross-reference the Johnny darter lake list below against the LakeGrade rubric: lakes with both an A or B grade and Johnny darter documented are the best places to start for recreational targeting.