Rock Lake
Size
1,197ac
Boat Launch
Yes
Carry-in Launch
No
Toilet
No
Boat Dock
Yes
Species in Rock Lake
Bluegill
Bluegill
Largemouth bass
Largemouth bass
Northern pike
Northern pike
Crappie
Crappie
Pumpkinseed
Pumpkinseed
Perch
Perch
Walleye
Walleye
Rock bass
Rock bass

Overview

Rock Lake Map

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Fish Species

Bluegill
fish
3-9 in
Length Range
7 in
Length Range
2022
Surveyed
Abundance (CPUE)
Above Avg.
2022
Surveyed
Trapnet
Catch Method
13.6364
0Statewide Range74.0278

Rock Lake Bluegill 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
2016
Jul
2022
Jul
Trophy Potential
This lake has a history of supporting trophy sized bluegill based on past surveys.
Survey YearLargest Fish (in)
20169
Crappie
fish
3-9 in
Length Range
7 in
Length Range
2022
Surveyed
Abundance (CPUE)
Below Avg.
2022
Surveyed
Trapnet
Catch Method
1
0Statewide Range10.4166

Rock Lake Crappie 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
2016
Jul
2022
Jul
Largemouth bass
fish
3-9 in
Length Range
7 in
Length Range
2022
Surveyed
Abundance (CPUE)
High
2022
Surveyed
Gillnet
Catch Method
1.125
0Statewide Range3.6668

Rock Lake Largemouth bass 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
2016
Jul
2022
Jul
Northern pike
fish
3-9 in
Length Range
7 in
Length Range
2022
Surveyed
Abundance (CPUE)
High
2022
Surveyed
Gillnet
Catch Method
16.625
0Statewide Range19.75

Rock Lake Northern pike 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
2016
Jul
2022
Jul
Perch
fish
3-9 in
Length Range
7 in
Length Range
2022
Surveyed
Abundance (CPUE)
Below Avg.
2022
Surveyed
Gillnet
Catch Method
7.625
0Statewide Range43.5833

Rock 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
2016
Jul
2022
Jul
Pumpkinseed
fish
3-9 in
Length Range
7 in
Length Range
2022
Surveyed
Abundance (CPUE)
Above Avg.
2022
Surveyed
Trapnet
Catch Method
3
0Statewide Range8.4166

Rock Lake Pumpkinseed 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
2016
Jul
2022
Jul
Rock bass
fish
No survey data
Abundance (CPUE)
No abundance data
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
No Survey Data
Walleye
fish
3-9 in
Length Range
7 in
Length Range
2022
Surveyed
Abundance (CPUE)
Low
2022
Surveyed
Gillnet
Catch Method
2
0Statewide Range16.9168

Rock 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
2016
Jul
2022
Jul