Walker
Otter Tail County, Minnesota — DOW #56031000
157 Surveys
Invasive Species Alert
Walker has confirmed populations of:
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DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Walker.
Green = above normal range. Red = below normal.
Brown Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard trap nets | 1.2 (normal) | 0.4 – 2.1 | 0.77 lb | 7 |
| 1990-08-14 | Standard gill nets | 1.5 (normal) | 0.5 – 2.5 | 1.18 lb | 6 |
| 2014-08-04 | Standard trap nets | 2.5 (above normal) | 0.4 – 2.1 | 0.80 lb | 20 |
| 2014-08-04 | Standard gill nets | 0.2 (below normal) | 0.5 – 2.5 | 0.90 lb | 2 |
| 1982-08-09 | Standard trap nets | 9.8 (above normal) | 0.4 – 2.1 | 0.57 lb | 59 |
| 1982-08-09 | Standard gill nets | 11.2 (above normal) | 0.5 – 2.5 | 0.67 lb | 56 |
| 1986-08-11 | Standard trap nets | 3.0 (above normal) | 0.4 – 2.1 | 0.89 lb | 18 |
| 1986-08-11 | Standard gill nets | 2.3 (normal) | 0.5 – 2.5 | 0.66 lb | 14 |
| 2003-08-18 | Standard trap nets | 0.1 (below normal) | 0.4 – 2.1 | 1.50 lb | 1 |
| 2003-08-18 | Standard gill nets | 0.8 (normal) | 0.5 – 2.5 | 0.89 lb | 7 |
| 2007-08-20 | Standard trap nets | 1.0 (normal) | 0.4 – 2.1 | 1.24 lb | 7 |
| 2007-08-20 | Standard gill nets | 0.3 (below normal) | 0.5 – 2.5 | 1.11 lb | 3 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard trap nets | 5.5 (above normal) | 0.5 – 3.3 | 0.33 lb | 33 |
| 1990-08-14 | Standard gill nets | 40.0 (normal) | 3.4 – 43.6 | 0.30 lb | 160 |
| 2014-08-04 | Standard gill nets | 15.4 (normal) | 3.4 – 43.6 | 0.10 lb | 139 |
| 1982-08-09 | Standard trap nets | 2.0 (normal) | 0.5 – 3.3 | 0.32 lb | 12 |
| 1982-08-09 | Standard gill nets | 21.0 (normal) | 3.4 – 43.6 | 0.17 lb | 105 |
| 1986-08-11 | Standard trap nets | 4.5 (above normal) | 0.5 – 3.3 | 0.17 lb | 27 |
| 1986-08-11 | Standard gill nets | 47.5 (above normal) | 3.4 – 43.6 | 0.18 lb | 285 |
| 2003-08-18 | Standard trap nets | 0.9 (normal) | 0.5 – 3.3 | 0.17 lb | 6 |
| 2003-08-18 | Standard gill nets | 12.3 (normal) | 3.4 – 43.6 | 0.13 lb | 111 |
| 2007-08-20 | Standard trap nets | 1.4 (normal) | 0.5 – 3.3 | 0.23 lb | 10 |
| 2007-08-20 | Standard gill nets | 14.9 (normal) | 3.4 – 43.6 | 0.15 lb | 134 |
Yellow Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard gill nets | 1.5 (normal) | 1.0 – 10.5 | 0.73 lb | 6 |
| 1990-08-14 | Standard trap nets | 4.0 (normal) | 1.3 – 9.8 | 0.86 lb | 24 |
| 2014-08-04 | Standard gill nets | 0.3 (below normal) | 1.0 – 10.5 | 0.58 lb | 3 |
| 2014-08-04 | Standard trap nets | 1.8 (normal) | 1.3 – 9.8 | 0.79 lb | 14 |
| 1982-08-09 | Standard gill nets | 1.6 (normal) | 1.0 – 10.5 | 0.50 lb | 8 |
| 1982-08-09 | Standard trap nets | 3.5 (normal) | 1.3 – 9.8 | 0.48 lb | 21 |
| 1986-08-11 | Standard gill nets | 1.8 (normal) | 1.0 – 10.5 | 0.61 lb | 11 |
| 1986-08-11 | Standard trap nets | 30.2 (above normal) | 1.3 – 9.8 | 0.58 lb | 181 |
| 2003-08-18 | Standard gill nets | 3.4 (normal) | 1.0 – 10.5 | 0.87 lb | 31 |
| 2003-08-18 | Standard trap nets | 3.1 (normal) | 1.3 – 9.8 | 0.90 lb | 22 |
| 2007-08-20 | Standard gill nets | 0.9 (below normal) | 1.0 – 10.5 | 0.69 lb | 8 |
| 2007-08-20 | Standard trap nets | 2.3 (normal) | 1.3 – 9.8 | 0.89 lb | 16 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard gill nets | 4.5 (normal) | 3.5 – 10.5 | 1.57 lb | 18 |
| 1990-08-14 | Standard trap nets | 0.2 | — | 0.90 lb | 1 |
| 2014-08-04 | Standard gill nets | 3.3 (below normal) | 3.5 – 10.5 | 1.76 lb | 30 |
| 2014-08-04 | Standard trap nets | 0.6 | — | 1.44 lb | 5 |
| 1982-08-09 | Standard gill nets | 1.8 (below normal) | 3.5 – 10.5 | 1.78 lb | 9 |
| 1982-08-09 | Standard trap nets | 0.3 | — | 1.50 lb | 2 |
| 1986-08-11 | Standard gill nets | 3.3 (below normal) | 3.5 – 10.5 | 1.77 lb | 20 |
| 1986-08-11 | Standard trap nets | 0.3 | — | 1.10 lb | 2 |
| 2003-08-18 | Standard gill nets | 3.6 (normal) | 3.5 – 10.5 | 1.82 lb | 32 |
| 2003-08-18 | Standard trap nets | 1.3 | — | 1.20 lb | 9 |
| 2007-08-20 | Standard gill nets | 1.9 (below normal) | 3.5 – 10.5 | 1.28 lb | 17 |
| 2007-08-20 | Standard trap nets | 0.1 | — | 0.79 lb | 1 |
Common Carp
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard trap nets | 0.3 (normal) | 0.2 – 0.6 | 4.65 lb | 2 |
| 2014-08-04 | Standard trap nets | 0.3 (normal) | 0.2 – 0.6 | 11.01 lb | 2 |
| 1982-08-09 | Standard gill nets | 0.2 (normal) | 0.2 – 1.5 | 0.50 lb | 1 |
| 1982-08-09 | Standard trap nets | 0.7 (above normal) | 0.2 – 0.6 | 3.12 lb | 4 |
| 1986-08-11 | Standard gill nets | 0.3 (normal) | 0.2 – 1.5 | 7.45 lb | 2 |
| 1986-08-11 | Standard trap nets | 0.7 (above normal) | 0.2 – 0.6 | 5.30 lb | 4 |
| 2003-08-18 | Standard gill nets | 0.1 (below normal) | 0.2 – 1.5 | 7.33 lb | 1 |
| 2003-08-18 | Standard trap nets | 0.9 (above normal) | 0.2 – 0.6 | 11.22 lb | 6 |
| 2007-08-20 | Standard gill nets | 0.1 (below normal) | 0.2 – 1.5 | 15.76 lb | 1 |
Rock Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard trap nets | 0.2 (below normal) | 0.5 – 1.8 | 0.70 lb | 1 |
| 2014-08-04 | Standard trap nets | 0.5 (normal) | 0.5 – 1.8 | 0.70 lb | 4 |
| 2003-08-18 | Standard trap nets | 0.3 (below normal) | 0.5 – 1.8 | 0.07 lb | 2 |
| 2007-08-20 | Standard trap nets | 0.1 (below normal) | 0.5 – 1.8 | 0.64 lb | 1 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard gill nets | 6.0 (above normal) | 1.3 – 5.0 | 1.75 lb | 24 |
| 1990-08-14 | Standard trap nets | 0.7 (normal) | 0.3 – 0.7 | 0.55 lb | 4 |
| 2014-08-04 | Standard gill nets | 1.3 (normal) | 1.3 – 5.0 | 0.99 lb | 12 |
| 2014-08-04 | Standard trap nets | 0.9 (above normal) | 0.3 – 0.7 | 2.11 lb | 7 |
| 1982-08-09 | Standard gill nets | 4.8 (normal) | 1.3 – 5.0 | 0.74 lb | 24 |
| 1982-08-09 | Standard trap nets | 1.2 (above normal) | 0.3 – 0.7 | 1.19 lb | 7 |
| 1986-08-11 | Standard gill nets | 1.2 (below normal) | 1.3 – 5.0 | 1.07 lb | 7 |
| 1986-08-11 | Standard trap nets | 1.3 (above normal) | 0.3 – 0.7 | 0.88 lb | 8 |
| 2003-08-18 | Standard gill nets | 7.8 (above normal) | 1.3 – 5.0 | 0.97 lb | 70 |
| 2003-08-18 | Standard trap nets | 1.3 (above normal) | 0.3 – 0.7 | 1.01 lb | 9 |
| 2007-08-20 | Standard gill nets | 3.0 (normal) | 1.3 – 5.0 | 1.62 lb | 27 |
| 2007-08-20 | Standard trap nets | 0.1 (below normal) | 0.3 – 0.7 | 1.42 lb | 1 |
Hybrid Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard trap nets | 0.3 | — | 0.65 lb | 2 |
| 2014-08-04 | Standard trap nets | 0.1 | — | 0.18 lb | 1 |
| 1982-08-09 | Standard trap nets | 0.2 | — | 0.50 lb | 1 |
| 1986-08-11 | Standard gill nets | 0.2 | — | 0.70 lb | 1 |
| 1986-08-11 | Standard trap nets | 2.5 | — | 0.27 lb | 15 |
| 2003-08-18 | Standard trap nets | 0.6 | — | 0.35 lb | 4 |
| 2007-08-20 | Standard trap nets | 0.1 | — | 0.58 lb | 1 |
Largemouth Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard gill nets | 0.5 (normal) | 0.3 – 1.7 | 0.50 lb | 2 |
| 1990-08-14 | Standard trap nets | 1.3 (above normal) | 0.3 – 1.3 | 0.66 lb | 8 |
| 2014-08-04 | Standard gill nets | 0.1 (below normal) | 0.3 – 1.7 | 1.46 lb | 1 |
| 2014-08-04 | Standard trap nets | 0.1 (below normal) | 0.3 – 1.3 | 1.02 lb | 1 |
| 1982-08-09 | Standard trap nets | 0.3 (normal) | 0.3 – 1.3 | 0.65 lb | 2 |
| 1986-08-11 | Standard trap nets | 1.2 (normal) | 0.3 – 1.3 | 1.00 lb | 7 |
| 2003-08-18 | Standard gill nets | 0.4 (normal) | 0.3 – 1.7 | 0.86 lb | 4 |
| 2003-08-18 | Standard trap nets | 0.1 (below normal) | 0.3 – 1.3 | 3.53 lb | 1 |
| 2007-08-20 | Standard electrofishing | 70.8 | — | 1.52 lb | 35 |
Bluegill
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard gill nets | 1.3 | — | 0.16 lb | 5 |
| 1990-08-14 | Standard trap nets | 13.7 (normal) | 6.1 – 46.6 | 0.33 lb | 82 |
| 2014-08-04 | Standard gill nets | 0.3 | — | 0.49 lb | 3 |
| 2014-08-04 | Standard trap nets | 8.8 (normal) | 6.1 – 46.6 | 0.31 lb | 70 |
| 1982-08-09 | Standard trap nets | 3.8 (below normal) | 6.1 – 46.6 | 0.30 lb | 23 |
| 1986-08-11 | Standard trap nets | 9.7 (normal) | 6.1 – 46.6 | 0.27 lb | 58 |
| 2003-08-18 | Standard gill nets | 1.4 | — | 0.21 lb | 13 |
| 2003-08-18 | Standard trap nets | 7.4 (normal) | 6.1 – 46.6 | 0.33 lb | 52 |
| 2007-08-20 | Standard gill nets | 0.2 | — | 0.29 lb | 2 |
| 2007-08-20 | Standard trap nets | 9.9 (normal) | 6.1 – 46.6 | 0.32 lb | 69 |
Pumpkinseed
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard gill nets | 1.8 | — | 0.36 lb | 7 |
| 1990-08-14 | Standard trap nets | 3.5 (normal) | 2.0 – 8.5 | 0.32 lb | 21 |
| 2014-08-04 | Standard trap nets | 2.4 (normal) | 2.0 – 8.5 | 0.30 lb | 19 |
| 1982-08-09 | Standard gill nets | 0.2 | — | 0.20 lb | 1 |
| 1982-08-09 | Standard trap nets | 3.0 (normal) | 2.0 – 8.5 | 0.16 lb | 18 |
| 1986-08-11 | Standard gill nets | 0.8 | — | 0.32 lb | 5 |
| 1986-08-11 | Standard trap nets | 6.3 (normal) | 2.0 – 8.5 | 0.23 lb | 38 |
| 2003-08-18 | Standard gill nets | 1.9 | — | 0.24 lb | 17 |
| 2003-08-18 | Standard trap nets | 3.4 (normal) | 2.0 – 8.5 | 0.29 lb | 24 |
| 2007-08-20 | Standard gill nets | 0.3 | — | 0.24 lb | 3 |
| 2007-08-20 | Standard trap nets | 1.9 (below normal) | 2.0 – 8.5 | 0.25 lb | 13 |
Tullibee (Cisco)
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard gill nets | 1.0 (normal) | 0.5 – 4.8 | 2.20 lb | 4 |
| 1982-08-09 | Standard gill nets | 1.2 (normal) | 0.5 – 4.8 | 2.33 lb | 6 |
| 1986-08-11 | Standard gill nets | 2.2 (normal) | 0.5 – 4.8 | 1.34 lb | 13 |
| 2003-08-18 | Standard gill nets | 2.1 (normal) | 0.5 – 4.8 | 1.62 lb | 19 |
| 2007-08-20 | Standard gill nets | 0.3 (below normal) | 0.5 – 4.8 | 1.39 lb | 3 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard gill nets | 1.3 (normal) | 0.5 – 2.7 | 2.40 lb | 5 |
| 1990-08-14 | Standard trap nets | 0.2 (below normal) | 0.3 – 1.4 | 2.00 lb | 1 |
| 2014-08-04 | Standard gill nets | 1.2 (normal) | 0.5 – 2.7 | 2.31 lb | 11 |
| 2014-08-04 | Standard trap nets | 1.4 (normal) | 0.3 – 1.4 | 2.86 lb | 11 |
| 1982-08-09 | Standard gill nets | 0.6 (normal) | 0.5 – 2.7 | 2.33 lb | 3 |
| 1982-08-09 | Standard trap nets | 1.5 (above normal) | 0.3 – 1.4 | 2.61 lb | 9 |
| 1986-08-11 | Standard gill nets | 0.8 (normal) | 0.5 – 2.7 | 1.80 lb | 5 |
| 1986-08-11 | Standard trap nets | 0.8 (normal) | 0.3 – 1.4 | 2.28 lb | 5 |
| 2003-08-18 | Standard gill nets | 2.6 (normal) | 0.5 – 2.7 | 2.08 lb | 23 |
| 2003-08-18 | Standard trap nets | 0.6 (normal) | 0.3 – 1.4 | 2.78 lb | 4 |
| 2007-08-20 | Standard gill nets | 1.0 (normal) | 0.5 – 2.7 | 2.06 lb | 9 |
| 2007-08-20 | Standard trap nets | 0.1 (below normal) | 0.3 – 1.4 | 3.20 lb | 1 |
Black Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard gill nets | 3.3 (normal) | 0.6 – 3.5 | 0.20 lb | 13 |
| 1990-08-14 | Standard trap nets | 5.5 (above normal) | 0.7 – 3.4 | 0.30 lb | 33 |
| 2014-08-04 | Standard gill nets | 0.2 (below normal) | 0.6 – 3.5 | 0.30 lb | 2 |
| 2014-08-04 | Standard trap nets | 1.3 (normal) | 0.7 – 3.4 | 0.48 lb | 10 |
| 1982-08-09 | Standard trap nets | 0.5 (below normal) | 0.7 – 3.4 | 1.30 lb | 3 |
| 1986-08-11 | Standard trap nets | 0.5 (below normal) | 0.7 – 3.4 | 0.63 lb | 3 |
| 2003-08-18 | Standard gill nets | 0.3 (below normal) | 0.6 – 3.5 | 0.43 lb | 3 |
| 2003-08-18 | Standard trap nets | 2.6 (normal) | 0.7 – 3.4 | 0.54 lb | 18 |
| 2007-08-20 | Standard electrofishing | 6.1 | — | 0.67 lb | 3 |
| 2007-08-20 | Standard gill nets | 0.1 (below normal) | 0.6 – 3.5 | 0.84 lb | 1 |
| 2007-08-20 | Standard trap nets | 0.3 (below normal) | 0.7 – 3.4 | 0.70 lb | 2 |
Black Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard gill nets | 3.5 (normal) | 0.8 – 7.7 | 1.34 lb | 14 |
| 2014-08-04 | Standard trap nets | 0.1 (below normal) | 0.3 – 3.2 | 0.40 lb | 1 |
| 2014-08-04 | Standard gill nets | 3.0 (normal) | 0.8 – 7.7 | 0.39 lb | 27 |
| 1982-08-09 | Standard trap nets | 11.2 (above normal) | 0.3 – 3.2 | 0.31 lb | 67 |
| 1982-08-09 | Standard gill nets | 32.8 (above normal) | 0.8 – 7.7 | 0.33 lb | 164 |
| 1986-08-11 | Standard trap nets | 0.7 (normal) | 0.3 – 3.2 | 0.53 lb | 4 |
| 1986-08-11 | Standard gill nets | 22.0 (above normal) | 0.8 – 7.7 | 0.54 lb | 132 |
| 2003-08-18 | Standard trap nets | 0.4 (normal) | 0.3 – 3.2 | 0.83 lb | 3 |
| 2003-08-18 | Standard gill nets | 0.7 (below normal) | 0.8 – 7.7 | 0.75 lb | 6 |
| 2007-08-20 | Standard gill nets | 1.4 (normal) | 0.8 – 7.7 | 0.80 lb | 13 |
Bowfin
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1990-08-14 | Standard trap nets | 1.0 (normal) | 0.4 – 1.3 | 3.17 lb | 6 |
| 2014-08-04 | Standard gill nets | 0.1 (below normal) | 0.3 – 0.6 | 3.58 lb | 1 |
| 2014-08-04 | Standard trap nets | 1.1 (normal) | 0.4 – 1.3 | 3.75 lb | 9 |
| 1982-08-09 | Standard trap nets | 1.7 (above normal) | 0.4 – 1.3 | 3.40 lb | 10 |
| 1986-08-11 | Standard trap nets | 2.0 (above normal) | 0.4 – 1.3 | 4.30 lb | 12 |
| 2003-08-18 | Standard gill nets | 0.2 (below normal) | 0.3 – 0.6 | 2.95 lb | 2 |
| 2003-08-18 | Standard trap nets | 1.3 (normal) | 0.4 – 1.3 | 3.72 lb | 9 |
| 2007-08-20 | Standard gill nets | 0.1 (below normal) | 0.3 – 0.6 | 2.70 lb | 1 |
| 2007-08-20 | Standard trap nets | 0.6 (normal) | 0.4 – 1.3 | 3.50 lb | 4 |
RHS
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1986-08-11 | Standard trap nets | 0.2 | — | 1.50 lb | 1 |
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Fish Species
Species known to inhabit Walker. Click any species for a full fishing guide.
Other Lakes in Otter Tail County
Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026.
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