Size
119ac
Boat Launch
Carry-in Launch
Toilet
No
Boat Dock
Species in St. Mary's Lake
Walleye
Perch
Overview
St. Mary's Lake Map
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Fish Species
Perch
11-28 in
Length Range
20 in
Length Range
2025
Surveyed
Abundance (CPUE)
Outlier
2025
Surveyed
Gillnet
Catch Method
41.5
0Statewide Range37.51665
St. Mary's Lake Perch abundance
Average range for similar lakes
Understanding Abundance
Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.
Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.Species Lengths
2023
Jul
2025
Jul
Walleye
11-28 in
Length Range
20 in
Length Range
2025
Surveyed
Abundance (CPUE)
High
2025
Surveyed
Gillnet
Catch Method
18
0Statewide Range34.11155
St. Mary's Lake Walleye abundance
Average range for similar lakes
Understanding Abundance
Abundance ratings are based on Catch Per Unit Effort (CPUE) measurements conducted by the MN DNR, and represent a snapshot of a species population at a given point in time.
Source: Minnesota Department of Natural Resources. Survey cadence may vary by state and water body.Species Lengths
2023
Jul
2025
Jul
