Bowstring
Itasca County, Minnesota — DOW #31081300
120 Surveys
Invasive Species Alert
Bowstring has confirmed populations of:
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DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Bowstring.
Green = above normal range. Red = below normal.
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-09-13 | Fall electrofishing | 35.0 | — | 0.16 lb | 53 |
| 2010-09-30 | Fall electrofishing | 20.1 | — | 0.26 lb | 35 |
| 2011-09-06 | Fall electrofishing | 56.0 | — | 0.01 lb | 113 |
| 2015-09-21 | Fall electrofishing | 2.5 | — | — | 5 |
| 2021-07-12 | Standard trap nets | 0.1 (below normal) | 0.3 – 0.9 | 1.04 lb | 2 |
| 2014-07-28 | Standard gill nets | 22.6 (above normal) | 4.0 – 9.6 | 0.70 lb | 271 |
| 1984-07-09 | Standard gill nets | 7.1 (normal) | 4.0 – 9.6 | 1.23 lb | 107 |
| 1984-07-09 | Standard trap nets | 0.7 (normal) | 0.3 – 0.9 | 1.47 lb | 6 |
| 1992-07-13 | Standard gill nets | 12.3 (above normal) | 4.0 – 9.6 | 1.36 lb | 148 |
| 1992-07-13 | Standard trap nets | 0.1 (below normal) | 0.3 – 0.9 | 2.90 lb | 1 |
| 2008-09-12 | Fall electrofishing | 1.8 | — | — | 3 |
Spottail Shiner
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2021-07-12 | Backpack electrofishing | 0.7 | — | 2 |
| 2021-07-12 | 50-ft beach seine | 12.3 | — | 196 |
Johnny Darter
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2021-07-12 | 50-ft beach seine | 2.4 | — | 39 |
| 2021-07-12 | Backpack electrofishing | 1.8 | — | 5 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | 50-ft beach seine | 12.4 | — | — | 198 |
| 2021-07-12 | 15-ft beach seine | 0.3 | — | — | 1 |
| 2021-07-12 | Backpack electrofishing | 3.5 | — | — | 10 |
| 2021-07-12 | Standard trap nets | 2.6 (normal) | 0.7 – 3.7 | 0.16 lb | 36 |
| 2014-07-28 | Standard trap nets | 0.5 (below normal) | 0.7 – 3.7 | 0.19 lb | 7 |
| 2014-07-28 | Standard gill nets | 17.3 (normal) | 7.1 – 33.9 | 0.21 lb | 207 |
| 1984-07-09 | Standard trap nets | 2.9 (normal) | 0.7 – 3.7 | 0.43 lb | 26 |
| 1984-07-09 | Standard gill nets | 42.5 (above normal) | 7.1 – 33.9 | 0.43 lb | 638 |
| 1992-07-13 | Standard trap nets | 0.9 (normal) | 0.7 – 3.7 | 0.29 lb | 14 |
| 1992-07-13 | Standard gill nets | 29.4 (normal) | 7.1 – 33.9 | 0.39 lb | 353 |
Rock Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | 50-ft beach seine | 1.6 | — | — | 25 |
| 2021-07-12 | 15-ft beach seine | 0.8 | — | — | 3 |
| 2021-07-12 | Backpack electrofishing | 0.4 | — | — | 1 |
| 2021-07-12 | Standard trap nets | 0.6 (below normal) | 0.7 – 3.3 | 0.31 lb | 8 |
| 2014-07-28 | Standard trap nets | 0.2 (below normal) | 0.7 – 3.3 | 0.69 lb | 3 |
| 1984-07-09 | Standard trap nets | 0.4 (below normal) | 0.7 – 3.3 | 0.68 lb | 4 |
| 1992-07-13 | Standard gill nets | 0.1 (below normal) | 1.0 – 6.6 | 0.10 lb | 1 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | 50-ft beach seine | 2.6 | — | — | 41 |
| 2021-07-12 | Backpack electrofishing | 0.7 | — | — | 2 |
| 2021-07-12 | Standard trap nets | 1.3 | — | 0.81 lb | 18 |
| 2014-07-28 | Standard gill nets | 7.4 (normal) | 3.0 – 7.9 | 1.34 lb | 89 |
| 2014-07-28 | Standard trap nets | 0.7 | — | 1.28 lb | 10 |
| 1984-07-09 | Standard gill nets | 15.8 (above normal) | 3.0 – 7.9 | 1.30 lb | 237 |
| 1984-07-09 | Standard trap nets | 1.2 | — | 1.00 lb | 11 |
| 1992-07-13 | Standard gill nets | 12.6 (above normal) | 3.0 – 7.9 | 1.49 lb | 151 |
| 1992-07-13 | Standard trap nets | 0.9 | — | 0.94 lb | 13 |
Tadpole Madtom
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2021-07-12 | 50-ft beach seine | 0.1 | — | 1 |
| 2021-07-12 | Backpack electrofishing | 0.7 | — | 2 |
Largemouth Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | 50-ft beach seine | 16.4 | — | — | 263 |
| 2021-07-12 | 15-ft beach seine | 1.0 | — | — | 4 |
| 2021-07-12 | Backpack electrofishing | 19.9 | — | — | 56 |
| 2021-07-12 | Standard trap nets | 0.9 (normal) | 0.4 – 1.4 | 0.45 lb | 12 |
Fathead Minnow
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2021-07-12 | Backpack electrofishing | 0.4 | — | 1 |
Iowa Darter
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2021-07-12 | 15-ft beach seine | 0.5 | — | 2 |
| 2021-07-12 | Backpack electrofishing | 3.9 | — | 11 |
| 2021-07-12 | 50-ft beach seine | 8.6 | — | 137 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | Backpack electrofishing | 6.0 | — | — | 17 |
| 2021-07-12 | Standard trap nets | 2.3 (above normal) | 0.2 – 0.8 | 1.97 lb | 32 |
| 2021-07-12 | 50-ft beach seine | 1.2 | — | — | 19 |
| 2014-07-28 | Standard gill nets | 2.0 (normal) | 1.0 – 3.5 | 1.31 lb | 24 |
| 2014-07-28 | Standard trap nets | 0.2 (normal) | 0.2 – 0.8 | 2.64 lb | 3 |
| 1984-07-09 | Standard gill nets | 3.5 (above normal) | 1.0 – 3.5 | 1.71 lb | 53 |
| 1984-07-09 | Standard trap nets | 1.7 (above normal) | 0.2 – 0.8 | 1.84 lb | 15 |
| 1992-07-13 | Standard gill nets | 4.3 (above normal) | 1.0 – 3.5 | 1.99 lb | 51 |
| 1992-07-13 | Standard trap nets | 0.1 (below normal) | 0.2 – 0.8 | 2.30 lb | 2 |
SLR
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | Standard trap nets | 1.0 | — | 5.45 lb | 14 |
| 2014-07-28 | Standard trap nets | 0.8 | — | 5.51 lb | 11 |
| 1992-07-13 | Standard trap nets | 0.1 | — | 4.75 lb | 2 |
| 1992-07-13 | Standard gill nets | 0.1 | — | 5.40 lb | 1 |
Bluegill
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | Backpack electrofishing | 1.1 | — | — | 3 |
| 2021-07-12 | Standard trap nets | 3.4 (below normal) | 3.7 – 42.9 | 0.43 lb | 48 |
| 2021-07-12 | 50-ft beach seine | 2.7 | — | — | 43 |
| 2014-07-28 | Standard trap nets | 0.6 (below normal) | 3.7 – 42.9 | 0.50 lb | 8 |
| 1992-07-13 | Standard trap nets | 0.1 (below normal) | 3.7 – 42.9 | 0.40 lb | 1 |
Pumpkinseed
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | Backpack electrofishing | 2.1 | — | — | 6 |
| 2021-07-12 | Standard trap nets | 1.8 (normal) | 1.6 – 6.9 | 0.36 lb | 25 |
| 2021-07-12 | 50-ft beach seine | 1.4 | — | — | 22 |
| 2014-07-28 | Standard trap nets | 0.3 (below normal) | 1.6 – 6.9 | 0.43 lb | 4 |
| 1984-07-09 | Standard trap nets | 1.8 (normal) | 1.6 – 6.9 | 0.41 lb | 16 |
| 1992-07-13 | Standard trap nets | 0.7 (below normal) | 1.6 – 6.9 | 0.42 lb | 11 |
Black Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | Backpack electrofishing | 0.7 | — | — | 2 |
| 2021-07-12 | Standard trap nets | 1.7 (normal) | 0.3 – 2.1 | 0.43 lb | 24 |
| 1984-07-09 | Standard trap nets | 15.1 (above normal) | 0.3 – 2.1 | 0.66 lb | 136 |
| 1984-07-09 | Standard gill nets | 6.4 (above normal) | 0.5 – 4.1 | 0.64 lb | 96 |
| 1992-07-13 | Standard trap nets | 1.0 (normal) | 0.3 – 2.1 | 0.49 lb | 15 |
| 1992-07-13 | Standard gill nets | 0.2 (below normal) | 0.5 – 4.1 | 0.45 lb | 2 |
Bowfin
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | Standard trap nets | 3.5 (above normal) | 0.3 – 1.1 | 5.00 lb | 49 |
| 2014-07-28 | Standard gill nets | 0.1 (below normal) | 0.1 – 0.2 | 0.10 lb | 1 |
| 2014-07-28 | Standard trap nets | 0.9 (normal) | 0.3 – 1.1 | 5.21 lb | 12 |
| 1984-07-09 | Standard trap nets | 2.1 (above normal) | 0.3 – 1.1 | 3.47 lb | 19 |
| 1992-07-13 | Standard gill nets | 0.2 (normal) | 0.1 – 0.2 | 3.75 lb | 2 |
| 1992-07-13 | Standard trap nets | 0.5 (normal) | 0.3 – 1.1 | 3.97 lb | 7 |
Hybrid Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | Standard trap nets | 0.3 | — | 0.68 lb | 4 |
| 1992-07-13 | Standard trap nets | 0.1 | — | 0.10 lb | 1 |
Black Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | Standard trap nets | 4.0 (above normal) | 0.3 – 1.7 | 0.55 lb | 56 |
| 2021-07-12 | 50-ft beach seine | 1.5 | — | — | 24 |
| 2014-07-28 | Standard gill nets | 8.5 (above normal) | 0.2 – 1.1 | 0.15 lb | 102 |
| 2014-07-28 | Standard trap nets | 3.9 (above normal) | 0.3 – 1.7 | 0.60 lb | 54 |
| 1984-07-09 | Standard gill nets | 0.9 (normal) | 0.2 – 1.1 | 0.38 lb | 13 |
| 1984-07-09 | Standard trap nets | 2.3 (above normal) | 0.3 – 1.7 | 0.46 lb | 21 |
| 1992-07-13 | Standard gill nets | 1.2 (above normal) | 0.2 – 1.1 | 0.58 lb | 14 |
| 1992-07-13 | Standard trap nets | 0.9 (normal) | 0.3 – 1.7 | 0.67 lb | 13 |
Burbot
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2021-07-12 | Backpack electrofishing | 8.2 | — | 23 |
Brown Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | Standard trap nets | 1.7 (above normal) | 0.3 – 1.7 | 1.11 lb | 24 |
| 2014-07-28 | Standard trap nets | 0.6 (normal) | 0.3 – 1.7 | 1.39 lb | 8 |
| 1992-07-13 | Standard trap nets | 2.1 (above normal) | 0.3 – 1.7 | 0.81 lb | 32 |
| 1992-07-13 | Standard gill nets | 5.9 (above normal) | 0.3 – 1.6 | 0.95 lb | 71 |
CNM
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2021-07-12 | Backpack electrofishing | 4.3 | — | 12 |
Longnose Dace
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2021-07-12 | Backpack electrofishing | 3.9 | — | 11 |
Shorthead Redhorse
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2021-07-12 | Standard trap nets | 7.4 (above normal) | 0.1 – 0.8 | 1.91 lb | 104 |
| 2021-07-12 | 50-ft beach seine | 0.1 | — | — | 1 |
| 2014-07-28 | Standard gill nets | 0.2 (normal) | 0.1 – 0.5 | 2.54 lb | 2 |
| 2014-07-28 | Standard trap nets | 1.4 (above normal) | 0.1 – 0.8 | 1.71 lb | 20 |
| 1984-07-09 | Standard gill nets | 1.0 (above normal) | 0.1 – 0.5 | 2.23 lb | 15 |
| 1984-07-09 | Standard trap nets | 2.8 (above normal) | 0.1 – 0.8 | 1.92 lb | 25 |
| 1992-07-13 | Standard gill nets | 0.8 (above normal) | 0.1 – 0.5 | 2.26 lb | 10 |
| 1992-07-13 | Standard trap nets | 0.4 (normal) | 0.1 – 0.8 | 2.57 lb | 6 |
Golden Shiner
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2021-07-12 | Backpack electrofishing | 0.4 | — | 1 |
| 2021-07-12 | 50-ft beach seine | 1.9 | — | 30 |
BKF
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2021-07-12 | Backpack electrofishing | 1.1 | — | 3 |
Mimic Shiner
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2021-07-12 | 50-ft beach seine | 0.2 | — | 3 |
Tullibee (Cisco)
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2014-07-28 | Standard gill nets | 0.3 (below normal) | 0.5 – 5.2 | 1.36 lb | 4 |
| 1984-07-09 | Standard gill nets | 0.2 (below normal) | 0.5 – 5.2 | 0.10 lb | 3 |
| 1992-07-13 | Standard gill nets | 0.3 (below normal) | 0.5 – 5.2 | 0.20 lb | 3 |
Yellow Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1992-07-13 | Standard gill nets | 0.1 (below normal) | 0.6 – 6.4 | 0.80 lb | 1 |
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Fish Species
Species known to inhabit Bowstring. Click any species for a full fishing guide.
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Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026.
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