Longnose Sucker Lakes in Minnesota
Found in 3 Minnesota lakes · 3 in Michigan
Longnose Sucker is a rough-fish species — typically common in productive, nutrient-rich lakes, sometimes treated as a management nuisance by anglers targeting game-fish. 6 lakes carry documentation. Longnose Sucker is narrowly distributed — only 3 lakes in Michigan and 3 in Minnesota have a documented record. The constraint is usually habitat: cold water, specific depth profile, or river connection.
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 Longnose Sucker lake list below against the letter grades: lakes with both an A or B grade and Longnose Sucker documented are the best places to start for recreational targeting.
Longnose Sucker Lakes Map
Every Minnesota lake with documented longnose sucker, colored by water-quality grade.
Best Longnose Sucker Lakes in Minnesota
| Rank | Lake | County | Grade | Clarity | Depth |
|---|---|---|---|---|---|
| 1 | Upper Estuary Lake | St. Louis | C | 1.9 ft | 55 ft |
| 2 | Rainy Lake | Koochiching | NR | 7.5 ft | 161 ft |
| 3 | Rainy Lake | St. Louis | NR | 8.4 ft | 161 ft |
Frequently Asked Questions
How many Minnesota lakes have longnose sucker?
Longnose Sucker are found in 3 lakes in Minnesota. The average water quality grade of these lakes is C (Fair).
What are the best longnose sucker lakes in Minnesota?
The best longnose sucker lakes in Minnesota by water quality are Upper Estuary Lake, Rainy Lake, Rainy Lake.
Fish species from state agency survey, stocking, and public fishing-access records; water-quality grades from the EPA National Aquatic Resource Surveys.