Minnesota DNR fisheries surveys · latest June 4, 2021
Species recorded at Upper Sucker Lake
12 species on the Minnesota DNR list for this lake. A species on the list has been recorded here; it does not mean it is catchable today or in every part of the lake.
Stocking at Upper Sucker Lake
No stocking record for Upper Sucker Lake appears in the Minnesota DNR material on file. That is an absence in the published record, not a confirmation that the lake is unstocked — some waters are managed as naturally reproducing and never appear in a stocking list at all.
Survey results in full
Minnesota DNR's Standard Survey on June 4, 2021 caught 14.50 northern pike per gill net at Upper Sucker Lake. Length samples in the latest survey that recorded them ran 9–26 inches.
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Upper Sucker Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
DNR Fisheries Survey Summary
7 surveys on file from MN DNR Fisheries. Most recent: 2021-06-04 (Standard Survey).
7 surveys on file · most recent 2021-06-04 (Standard Survey)
| Species | Catch rate (CPUE) | Size | Avg weight |
|---|---|---|---|
| Black Bullhead | 21.52 | 4–10 in 2021-06-04 | 0.26 lb |
| Yellow Perch | 11.36 | 4–9 in 2021-06-04 | 0.16 lb |
| Bluegill | 5.83 | 3–9 in 2021-06-04 | 0.26 lb |
| Northern Pike | 4.49 | 9–26 in 2021-06-04 | 1.4 lb |
| Largemouth Bass | 3.99 | 17–18 in 2016-06-27 | 3.31 lb |
CPUE = catch per unit effort, fish caught per net per set in a standardised survey. It measures abundance, not size, and is not a weekly bite report.
Length Distributions
Number of fish caught at each inch class in the most recent survey that recorded lengths. Red dashed line marks an approximate trophy threshold for that species.
Black Bullhead
Yellow Perch
Bluegill
Northern Pike
From the 2021-06-04 survey
Upper Sucker Lake is 113-acre lake is located approximately nine miles east of Cass Lake, Minnesota. The lake has 4.2 miles of shoreline and a maximum depth of 25 feet. There is a US Forest Service owned earthen boat access on the channel between Middle Sucker and Upper Sucker lakes. The access is suitable for small…
DNR Reports & Resources
Minnesota DNR LakeFinder publishes lake survey, fish stocking, water access, and aquatic plant data for Upper Sucker Lake. 1 report on file.
These links open on the official state DNR websites (Wisconsin DNR survey PDFs · Minnesota DNR LakeFinder).
- —Fisheries Lake Survey — Upper SuckerFisheries Lake Survey · MN DNR LakeFinder
Common questions
What fish are in Upper Sucker Lake?
Minnesota DNR's Standard Survey on June 4, 2021 caught 14.50 northern pike per gill net at Upper Sucker Lake. Length samples in the latest survey that recorded them ran 9–26 inches. Minnesota DNR lists 12 species for the lake in total. Those are survey results, not a catch report: a net set on one date measures what was in that net.
When was Upper Sucker Lake last surveyed?
The most recent fisheries survey on file for Upper Sucker Lake is dated June 4, 2021. Survey intervals vary by lake and by species; a gap of several years between surveys is normal and does not mean the record is missing.
Is Upper Sucker Lake stocked?
No stocking record for Upper Sucker Lake appears in the Minnesota DNR material on file. That is not the same as a confirmed unstocked lake: it means no stocking document was published for it in the records this page draws on.
Do the water-quality readings tell me how Upper Sucker Lake fishes?
A DNR fisheries survey reports fish abundance and catch rates, not water quality. LakeQuality shows Upper Sucker Lake’s water-quality measurements separately, and the water-quality trend over 2 years of monitoring is improving. Catch rate is not a swim clearance and is not a weekly bite report.
Before you eat what you catch
Water-quality readings are not a consumption advisory. Mercury and PCB advice for Minnesota waters comes from MDH, and it is issued per species and per size class: a lake with clear, low-nutrient water can still carry a meal limit on larger predator fish.
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