Bertram

Wright County, Minnesota — DOW #86007000

33 Surveys
110.69
Acres
44 ft
Max Depth
18.1 ft
Mean Depth
11
Fish Species
6
Local Guides

DNR Fish Surveys

Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Bertram. Green = above normal range. Red = below normal.

Green Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard trap nets 1.3 (above normal) 0.2 – 1.3 0.05 lb 4
2014-06-02 Standard trap nets 0.1 (below normal) 0.2 – 1.3 0.04 lb 1

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard gill nets 1.0 (below normal) 1.5 – 7.3 2.50 lb 1
2014-06-02 Standard gill nets 3.5 (normal) 1.5 – 7.3 1.72 lb 14
2014-06-02 Standard trap nets 0.7 1.26 lb 6

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard gill nets 2.0 (below normal) 2.5 – 16.5 0.05 lb 2
1978-08-06 Standard trap nets 19.0 (normal) 1.8 – 21.2 0.15 lb 57
2014-06-02 Standard gill nets 0.8 (below normal) 2.5 – 16.5 0.06 lb 3
2014-06-02 Standard trap nets 1.9 (normal) 1.8 – 21.2 0.41 lb 17

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard gill nets 10.0 (normal) 2.5 – 45.0 0.45 lb 10
1978-08-06 Standard trap nets 3.3 (normal) 0.7 – 25.7 0.36 lb 10
2014-06-02 Standard trap nets 0.1 (below normal) 0.7 – 25.7 0.31 lb 1
2014-06-02 Standard gill nets 0.5 (below normal) 2.5 – 45.0 0.09 lb 2

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard trap nets 1.0 0.17 lb 3
2014-06-02 Standard trap nets 1.4 0.06 lb 13

Bowfin

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard trap nets 0.3 (below normal) 0.4 – 1.3 2.50 lb 1

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard trap nets 46.0 (normal) 7.5 – 62.5 0.06 lb 138
2014-06-02 Standard gill nets 0.5 0.04 lb 2
2014-06-02 Standard trap nets 52.6 (normal) 7.5 – 62.5 0.02 lb 473

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard trap nets 2.3 (above normal) 0.3 – 1.7 0.10 lb 7

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard trap nets 0.7 (normal) 0.2 – 0.7 0.05 lb 2
2014-06-02 Standard electrofishing 11.5 2.74 lb 8
2014-06-02 Standard gill nets 0.8 (normal) 0.3 – 0.8 1.87 lb 3
2014-06-02 Standard trap nets 0.3 (normal) 0.2 – 0.7 2.36 lb 3

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard trap nets 0.7 (normal) 0.2 – 1.0 3.85 lb 2

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard trap nets 15.3 (above normal) 0.7 – 4.2 0.05 lb 46
2014-06-02 Standard trap nets 0.9 (normal) 0.7 – 4.2 0.04 lb 8

Common Carp

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard trap nets 0.7 (normal) 0.4 – 2.0 11.45 lb 2
2014-06-02 Standard gill nets 0.8 (normal) 0.3 – 3.0 3.47 lb 3
2014-06-02 Standard trap nets 0.8 (normal) 0.4 – 2.0 5.95 lb 7

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1978-08-06 Standard trap nets 3.3 (normal) 0.9 – 5.7 0.55 lb 10
2014-06-02 Standard trap nets 0.2 (below normal) 0.9 – 5.7 1.12 lb 2

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2014-06-02 Standard trap nets 0.2 (normal) 0.2 – 1.4 0.82 lb 2

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Fish Species

Species known to inhabit Bertram. Click any species for a full fishing guide.

Black BullheadBlack CrappieBluegillBrown BullheadCommon CarpGreen SunfishHybrid SunfishLargemouth BassNorthern PikePumpkinseedYellow Bullhead

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Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026. Learn how we maintain this data.