Colby
St. Louis County, Minnesota — DOW #69024900
212 Surveys
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Colby.
Green = above normal range. Red = below normal.
Largemouth Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | 1/4-in trap nets | 5.1 | — | — | 51 |
| 2000-07-05 | Standard trap nets | 0.1 (below normal) | 0.2 – 0.8 | 1.06 lb | 1 |
| 2005-07-07 | Survey seining | 4.0 | — | — | 12 |
| 2005-07-07 | Standard trap nets | 0.2 (normal) | 0.2 – 0.8 | 2.46 lb | 2 |
| 1985-08-19 | Standard trap nets | 0.1 (below normal) | 0.2 – 0.8 | 3.40 lb | 1 |
| 1989-08-21 | Standard trap nets | 0.1 (below normal) | 0.2 – 0.8 | 0.20 lb | 1 |
| 2020-07-13 | Standard gill nets | 0.2 (normal) | 0.2 – 0.7 | 1.57 lb | 2 |
| 2020-07-13 | Standard trap nets | 0.1 (below normal) | 0.2 – 0.8 | 2.70 lb | 1 |
Bluegill
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | 1/4-in trap nets | 8.5 | — | — | 85 |
| 2010-07-12 | Standard gill nets | 0.6 | — | 0.10 lb | 5 |
| 2010-07-12 | Standard trap nets | 6.8 (normal) | 2.4 – 16.0 | 0.12 lb | 61 |
| 2000-07-05 | Standard gill nets | 0.3 | — | 0.07 lb | 3 |
| 2000-07-05 | Standard trap nets | 24.8 (above normal) | 2.4 – 16.0 | 0.09 lb | 223 |
| 1995-07-10 | Standard gill nets | 0.3 | — | 0.38 lb | 4 |
| 1995-07-10 | Standard trap nets | 8.7 (normal) | 2.4 – 16.0 | 0.38 lb | 78 |
| 1979-08-17 | Standard trap nets | 6.6 (normal) | 2.4 – 16.0 | 0.34 lb | 33 |
| 1979-08-17 | Standard gill nets | 0.3 | — | 0.20 lb | 3 |
| 1987-08-21 | Standard trap nets | 1.4 (below normal) | 2.4 – 16.0 | 0.45 lb | 14 |
| 2005-07-07 | Survey seining | 8.7 | — | — | 26 |
| 2005-07-07 | Standard gill nets | 0.6 | — | 0.14 lb | 5 |
| 2005-07-07 | Standard trap nets | 26.7 (above normal) | 2.4 – 16.0 | 0.17 lb | 240 |
| 1985-08-19 | Standard trap nets | 3.7 (normal) | 2.4 – 16.0 | 0.45 lb | 37 |
| 1991-08-27 | Standard gill nets | 0.3 | — | 0.17 lb | 4 |
| 1991-08-27 | Standard trap nets | 6.1 (normal) | 2.4 – 16.0 | 0.24 lb | 55 |
| 1989-08-21 | Standard gill nets | 0.3 | — | 0.37 lb | 3 |
| 1989-08-21 | Standard trap nets | 0.9 (below normal) | 2.4 – 16.0 | 0.44 lb | 9 |
| 2020-07-13 | Standard gill nets | 0.1 | — | 0.23 lb | 1 |
| 2020-07-13 | Standard trap nets | 3.7 (normal) | 2.4 – 16.0 | 0.23 lb | 33 |
Brown Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | Standard trap nets | 0.2 (below normal) | 0.3 – 11.3 | 0.77 lb | 2 |
| 2010-07-12 | 1/4-in trap nets | 0.1 | — | — | 1 |
| 1995-07-10 | Standard trap nets | 0.2 (below normal) | 0.3 – 11.3 | 0.71 lb | 2 |
| 2020-07-13 | Standard trap nets | 0.3 (normal) | 0.3 – 11.3 | 0.57 lb | 3 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | 1/4-in trap nets | 0.1 | — | — | 1 |
| 2010-07-12 | Standard gill nets | 2.1 (normal) | 1.6 – 7.6 | 1.27 lb | 19 |
| 2010-07-12 | Standard trap nets | 0.4 (normal) | 0.4 – 2.0 | 2.18 lb | 4 |
| 2000-07-05 | Standard gill nets | 2.8 (normal) | 1.6 – 7.6 | 1.11 lb | 25 |
| 2000-07-05 | Standard trap nets | 0.7 (normal) | 0.4 – 2.0 | 2.07 lb | 6 |
| 1995-07-10 | Standard gill nets | 2.1 (normal) | 1.6 – 7.6 | 2.48 lb | 25 |
| 1995-07-10 | Standard trap nets | 0.8 (normal) | 0.4 – 2.0 | 3.52 lb | 7 |
| 1979-08-17 | Standard gill nets | 3.1 (normal) | 1.6 – 7.6 | 1.18 lb | 37 |
| 1979-08-17 | Standard trap nets | 3.6 (above normal) | 0.4 – 2.0 | 2.28 lb | 18 |
| 1987-08-21 | Standard gill nets | 1.1 (below normal) | 1.6 – 7.6 | 1.78 lb | 13 |
| 1987-08-21 | Standard trap nets | 2.9 (above normal) | 0.4 – 2.0 | 2.04 lb | 29 |
| 2005-07-07 | Standard gill nets | 3.1 (normal) | 1.6 – 7.6 | 1.41 lb | 28 |
| 2005-07-07 | Standard trap nets | 0.4 (normal) | 0.4 – 2.0 | 2.18 lb | 4 |
| 1985-08-19 | Standard gill nets | 1.4 (below normal) | 1.6 – 7.6 | 1.36 lb | 10 |
| 1985-08-19 | Standard trap nets | 1.1 (normal) | 0.4 – 2.0 | 2.14 lb | 11 |
| 1991-08-27 | Standard gill nets | 1.9 (normal) | 1.6 – 7.6 | 1.09 lb | 23 |
| 1991-08-27 | Standard trap nets | 0.2 (below normal) | 0.4 – 2.0 | 1.60 lb | 2 |
| 1989-08-21 | Standard gill nets | 2.5 (normal) | 1.6 – 7.6 | 1.35 lb | 30 |
| 1989-08-21 | Standard trap nets | 1.7 (normal) | 0.4 – 2.0 | 2.32 lb | 17 |
| 2020-07-13 | Standard gill nets | 0.6 (below normal) | 1.6 – 7.6 | 1.19 lb | 5 |
| 2020-07-13 | Standard trap nets | 1.1 (normal) | 0.4 – 2.0 | 1.41 lb | 10 |
Yellow Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | Standard gill nets | 0.7 (normal) | 0.3 – 2.0 | 0.61 lb | 6 |
| 2010-07-12 | Standard trap nets | 0.4 (normal) | 0.4 – 2.6 | 0.95 lb | 4 |
| 2010-07-12 | 1/4-in trap nets | 0.3 | — | — | 3 |
| 2000-07-05 | Standard gill nets | 0.1 (below normal) | 0.3 – 2.0 | 0.73 lb | 1 |
| 1995-07-10 | Standard gill nets | 0.3 (normal) | 0.3 – 2.0 | 1.71 lb | 4 |
| 1987-08-21 | Standard gill nets | 0.7 (normal) | 0.3 – 2.0 | 0.93 lb | 8 |
| 1987-08-21 | Standard trap nets | 1.6 (normal) | 0.4 – 2.6 | 1.07 lb | 16 |
| 2005-07-07 | Standard trap nets | 0.8 (normal) | 0.4 – 2.6 | 0.84 lb | 7 |
| 1985-08-19 | Standard gill nets | 1.0 (normal) | 0.3 – 2.0 | 0.74 lb | 7 |
| 1985-08-19 | Standard trap nets | 0.4 (normal) | 0.4 – 2.6 | 0.75 lb | 4 |
| 1991-08-27 | Standard gill nets | 0.1 (below normal) | 0.3 – 2.0 | 0.10 lb | 1 |
| 1991-08-27 | Standard trap nets | 0.2 (below normal) | 0.4 – 2.6 | 0.65 lb | 2 |
| 1989-08-21 | Standard gill nets | 0.3 (below normal) | 0.3 – 2.0 | 0.63 lb | 3 |
| 1989-08-21 | Standard trap nets | 0.2 (below normal) | 0.4 – 2.6 | 0.85 lb | 2 |
Black Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | 1/4-in trap nets | 15.5 | — | — | 155 |
| 2010-07-12 | Standard gill nets | 2.4 (normal) | 0.6 – 5.1 | 0.17 lb | 22 |
| 2010-07-12 | Standard trap nets | 4.6 (normal) | 1.8 – 9.7 | 0.20 lb | 41 |
| 2000-07-05 | Standard gill nets | 0.4 (below normal) | 0.6 – 5.1 | 0.10 lb | 4 |
| 2000-07-05 | Standard trap nets | 1.0 (below normal) | 1.8 – 9.7 | 0.35 lb | 9 |
| 1995-07-10 | Standard gill nets | 0.3 (below normal) | 0.6 – 5.1 | 0.29 lb | 4 |
| 1995-07-10 | Standard trap nets | 1.7 (below normal) | 1.8 – 9.7 | 0.28 lb | 15 |
| 1979-08-17 | Standard gill nets | 2.0 (normal) | 0.6 – 5.1 | 0.30 lb | 24 |
| 1979-08-17 | Standard trap nets | 5.8 (normal) | 1.8 – 9.7 | 0.36 lb | 29 |
| 1987-08-21 | Standard gill nets | 0.8 (normal) | 0.6 – 5.1 | 0.31 lb | 9 |
| 1987-08-21 | Standard trap nets | 3.0 (normal) | 1.8 – 9.7 | 0.35 lb | 30 |
| 2005-07-07 | Standard gill nets | 1.2 (normal) | 0.6 – 5.1 | 0.21 lb | 11 |
| 2005-07-07 | Standard trap nets | 8.9 (normal) | 1.8 – 9.7 | 0.23 lb | 80 |
| 1985-08-19 | Standard gill nets | 2.4 (normal) | 0.6 – 5.1 | 0.22 lb | 17 |
| 1985-08-19 | Standard trap nets | 2.1 (normal) | 1.8 – 9.7 | 0.31 lb | 21 |
| 1991-08-27 | Standard gill nets | 2.3 (normal) | 0.6 – 5.1 | 0.23 lb | 27 |
| 1991-08-27 | Standard trap nets | 5.1 (normal) | 1.8 – 9.7 | 0.33 lb | 46 |
| 1989-08-21 | Standard gill nets | 1.5 (normal) | 0.6 – 5.1 | 0.33 lb | 18 |
| 1989-08-21 | Standard trap nets | 2.5 (normal) | 1.8 – 9.7 | 0.26 lb | 25 |
| 2020-07-13 | Standard gill nets | 9.6 (above normal) | 0.6 – 5.1 | 0.24 lb | 86 |
| 2020-07-13 | Standard trap nets | 9.9 (above normal) | 1.8 – 9.7 | 0.21 lb | 89 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | Standard gill nets | 1.4 (normal) | 1.2 – 5.7 | 3.90 lb | 13 |
| 2010-07-12 | Standard trap nets | 1.0 | — | 3.25 lb | 9 |
| 2000-07-05 | Standard gill nets | 2.1 (normal) | 1.2 – 5.7 | 2.61 lb | 19 |
| 2000-07-05 | Standard trap nets | 1.8 | — | 2.18 lb | 16 |
| 1995-07-10 | Standard gill nets | 1.6 (normal) | 1.2 – 5.7 | 1.56 lb | 19 |
| 1995-07-10 | Standard trap nets | 2.0 | — | 1.28 lb | 18 |
| 1979-08-17 | Standard gill nets | 1.4 (normal) | 1.2 – 5.7 | 1.50 lb | 17 |
| 1979-08-17 | Standard trap nets | 0.8 | — | 0.75 lb | 4 |
| 1987-08-21 | Standard gill nets | 0.4 (below normal) | 1.2 – 5.7 | 0.48 lb | 5 |
| 1987-08-21 | Standard trap nets | 1.5 | — | 1.22 lb | 15 |
| 2005-07-07 | Standard gill nets | 5.4 (normal) | 1.2 – 5.7 | 2.74 lb | 49 |
| 2005-07-07 | Standard trap nets | 0.4 | — | 2.21 lb | 4 |
| 1985-08-19 | Standard gill nets | 0.4 (below normal) | 1.2 – 5.7 | 1.30 lb | 3 |
| 1985-08-19 | Standard trap nets | 1.8 | — | 2.92 lb | 18 |
| 1991-08-27 | Standard gill nets | 2.3 (normal) | 1.2 – 5.7 | 2.50 lb | 28 |
| 1991-08-27 | Standard trap nets | 0.8 | — | 2.17 lb | 7 |
| 1989-08-21 | Standard gill nets | 2.9 (normal) | 1.2 – 5.7 | 1.57 lb | 35 |
| 1989-08-21 | Standard trap nets | 0.5 | — | 5.00 lb | 5 |
| 2020-07-13 | Standard gill nets | 2.1 (normal) | 1.2 – 5.7 | 2.46 lb | 19 |
| 2020-07-13 | Standard trap nets | 1.0 | — | 2.82 lb | 9 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | 1/4-in trap nets | 35.1 | — | — | 351 |
| 2010-07-12 | Standard gill nets | 11.2 (normal) | 2.0 – 16.5 | 0.07 lb | 101 |
| 2000-07-05 | Standard trap nets | 1.7 (normal) | 0.5 – 2.1 | 0.25 lb | 15 |
| 2000-07-05 | Standard gill nets | 7.9 (normal) | 2.0 – 16.5 | 0.12 lb | 71 |
| 1995-07-10 | Standard trap nets | 1.4 (normal) | 0.5 – 2.1 | 0.16 lb | 13 |
| 1995-07-10 | Standard gill nets | 4.0 (normal) | 2.0 – 16.5 | 0.11 lb | 48 |
| 1979-08-17 | Standard gill nets | 3.9 (normal) | 2.0 – 16.5 | 0.13 lb | 47 |
| 1987-08-21 | Standard trap nets | 0.7 (normal) | 0.5 – 2.1 | 0.40 lb | 7 |
| 1987-08-21 | Standard gill nets | 1.7 (below normal) | 2.0 – 16.5 | 0.14 lb | 20 |
| 2005-07-07 | Survey seining | 49.3 | — | — | 148 |
| 2005-07-07 | Standard gill nets | 4.2 (normal) | 2.0 – 16.5 | 0.10 lb | 38 |
| 1985-08-19 | Standard trap nets | 1.0 (normal) | 0.5 – 2.1 | 0.27 lb | 10 |
| 1985-08-19 | Standard gill nets | 1.4 (below normal) | 2.0 – 16.5 | 0.12 lb | 10 |
| 1991-08-27 | Standard trap nets | 0.3 (below normal) | 0.5 – 2.1 | 0.13 lb | 3 |
| 1991-08-27 | Standard gill nets | 4.3 (normal) | 2.0 – 16.5 | 0.12 lb | 51 |
| 1989-08-21 | Standard trap nets | 0.2 (below normal) | 0.5 – 2.1 | 0.15 lb | 2 |
| 1989-08-21 | Standard gill nets | 6.3 (normal) | 2.0 – 16.5 | 0.14 lb | 76 |
| 2020-07-13 | Standard gill nets | 1.0 (below normal) | 2.0 – 16.5 | 0.09 lb | 9 |
Channel Catfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | Standard gill nets | 1.8 | — | 3.23 lb | 16 |
| 2010-07-12 | Standard trap nets | 3.1 | — | 2.63 lb | 28 |
| 2000-07-05 | Standard gill nets | 0.1 | — | 0.06 lb | 1 |
| 2000-07-05 | Standard trap nets | 0.1 | — | 6.26 lb | 1 |
| 1995-07-10 | Standard gill nets | 0.3 | — | 8.54 lb | 3 |
| 1995-07-10 | Standard trap nets | 0.2 | — | 4.00 lb | 2 |
| 1979-08-17 | Standard gill nets | 0.5 | — | 4.83 lb | 6 |
| 1979-08-17 | Standard trap nets | 0.2 | — | 1.50 lb | 1 |
| 1987-08-21 | Standard gill nets | 0.2 | — | 2.95 lb | 2 |
| 2005-07-07 | Standard gill nets | 0.2 | — | 1.59 lb | 2 |
| 2005-07-07 | Standard trap nets | 4.4 | — | 1.60 lb | 40 |
| 1985-08-19 | Standard gill nets | 0.4 | — | 1.27 lb | 3 |
| 1985-08-19 | Standard trap nets | 0.1 | — | 1.20 lb | 1 |
| 1989-08-21 | Standard gill nets | 0.2 | — | 5.20 lb | 2 |
| 1989-08-21 | Standard trap nets | 0.5 | — | 3.90 lb | 5 |
| 2020-07-13 | Standard gill nets | 8.4 | — | 2.67 lb | 76 |
| 2020-07-13 | Standard trap nets | 4.8 | — | 1.41 lb | 43 |
Shorthead Redhorse
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | Standard gill nets | 0.1 (below normal) | 0.2 – 0.6 | 2.65 lb | 1 |
| 2010-07-12 | Standard trap nets | 0.9 (normal) | 0.5 – 1.8 | 1.92 lb | 8 |
| 2010-07-12 | 1/4-in trap nets | 0.1 | — | — | 1 |
| 2000-07-05 | Standard gill nets | 0.1 (below normal) | 0.2 – 0.6 | 1.45 lb | 1 |
| 2000-07-05 | Standard trap nets | 0.7 (normal) | 0.5 – 1.8 | 1.91 lb | 6 |
| 1995-07-10 | Standard gill nets | 0.5 (normal) | 0.2 – 0.6 | 3.19 lb | 6 |
| 1995-07-10 | Standard trap nets | 1.4 (normal) | 0.5 – 1.8 | 3.54 lb | 13 |
| 1979-08-17 | Standard gill nets | 0.2 (below normal) | 0.2 – 0.6 | 2.00 lb | 2 |
| 1979-08-17 | Standard trap nets | 0.4 (below normal) | 0.5 – 1.8 | 1.75 lb | 2 |
| 1987-08-21 | Standard gill nets | 0.7 (above normal) | 0.2 – 0.6 | 1.84 lb | 8 |
| 1987-08-21 | Standard trap nets | 0.6 (normal) | 0.5 – 1.8 | 1.95 lb | 6 |
| 2005-07-07 | Standard trap nets | 1.4 (normal) | 0.5 – 1.8 | 2.24 lb | 13 |
| 1985-08-19 | Standard trap nets | 1.1 (normal) | 0.5 – 1.8 | 1.46 lb | 11 |
| 1991-08-27 | Standard gill nets | 0.2 (below normal) | 0.2 – 0.6 | 2.35 lb | 2 |
| 1991-08-27 | Standard trap nets | 1.4 (normal) | 0.5 – 1.8 | 1.65 lb | 13 |
| 1989-08-21 | Standard gill nets | 0.4 (normal) | 0.2 – 0.6 | 0.88 lb | 5 |
| 1989-08-21 | Standard trap nets | 1.8 (normal) | 0.5 – 1.8 | 1.24 lb | 18 |
| 2020-07-13 | Standard gill nets | 0.4 (normal) | 0.2 – 0.6 | 1.43 lb | 4 |
| 2020-07-13 | Standard trap nets | 2.2 (above normal) | 0.5 – 1.8 | 1.21 lb | 20 |
Rock Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | Standard trap nets | 0.1 (below normal) | 0.3 – 2.3 | 0.09 lb | 1 |
| 2010-07-12 | 1/4-in trap nets | 0.3 | — | — | 3 |
| 2000-07-05 | Standard gill nets | 0.2 (below normal) | 0.5 – 1.8 | 0.39 lb | 2 |
| 2000-07-05 | Standard trap nets | 0.2 (below normal) | 0.3 – 2.3 | 0.24 lb | 2 |
| 1995-07-10 | Standard gill nets | 0.3 (below normal) | 0.5 – 1.8 | 1.09 lb | 4 |
| 1995-07-10 | Standard trap nets | 0.6 (normal) | 0.3 – 2.3 | 0.69 lb | 5 |
| 1979-08-17 | Standard trap nets | 0.6 (normal) | 0.3 – 2.3 | 0.40 lb | 3 |
| 1987-08-21 | Standard gill nets | 0.1 (below normal) | 0.5 – 1.8 | 0.30 lb | 1 |
| 1987-08-21 | Standard trap nets | 0.8 (normal) | 0.3 – 2.3 | 0.30 lb | 8 |
| 2005-07-07 | Standard gill nets | 0.1 (below normal) | 0.5 – 1.8 | 0.22 lb | 1 |
| 2005-07-07 | Standard trap nets | 0.6 (normal) | 0.3 – 2.3 | 0.25 lb | 5 |
| 1985-08-19 | Standard gill nets | 0.4 (below normal) | 0.5 – 1.8 | 0.37 lb | 3 |
| 1985-08-19 | Standard trap nets | 0.1 (below normal) | 0.3 – 2.3 | 0.70 lb | 1 |
| 1991-08-27 | Standard gill nets | 0.2 (below normal) | 0.5 – 1.8 | 0.30 lb | 2 |
| 1991-08-27 | Standard trap nets | 0.7 (normal) | 0.3 – 2.3 | 0.25 lb | 6 |
| 1989-08-21 | Standard gill nets | 0.7 (normal) | 0.5 – 1.8 | 0.39 lb | 8 |
| 1989-08-21 | Standard trap nets | 0.4 (normal) | 0.3 – 2.3 | 0.25 lb | 4 |
| 2020-07-13 | Standard trap nets | 0.2 (below normal) | 0.3 – 2.3 | 0.18 lb | 2 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | Standard gill nets | 0.3 (below normal) | 0.8 – 5.0 | 2.44 lb | 3 |
| 2000-07-05 | Standard gill nets | 0.9 (normal) | 0.8 – 5.0 | 0.94 lb | 8 |
| 2000-07-05 | Standard trap nets | 0.1 (below normal) | 0.3 – 1.3 | 1.75 lb | 1 |
| 1995-07-10 | Standard gill nets | 1.8 (normal) | 0.8 – 5.0 | 0.65 lb | 22 |
| 1995-07-10 | Standard trap nets | 0.3 (normal) | 0.3 – 1.3 | 1.89 lb | 3 |
| 1979-08-17 | Standard gill nets | 1.8 (normal) | 0.8 – 5.0 | 0.69 lb | 22 |
| 1987-08-21 | Standard gill nets | 2.4 (normal) | 0.8 – 5.0 | 0.83 lb | 29 |
| 1987-08-21 | Standard trap nets | 0.8 (normal) | 0.3 – 1.3 | 0.95 lb | 8 |
| 2005-07-07 | Standard gill nets | 0.7 (below normal) | 0.8 – 5.0 | 0.51 lb | 6 |
| 2005-07-07 | Standard trap nets | 0.7 (normal) | 0.3 – 1.3 | 0.65 lb | 6 |
| 1985-08-19 | Standard gill nets | 5.0 (normal) | 0.8 – 5.0 | 1.19 lb | 35 |
| 1985-08-19 | Standard trap nets | 0.2 (below normal) | 0.3 – 1.3 | 3.40 lb | 2 |
| 1991-08-27 | Standard gill nets | 1.5 (normal) | 0.8 – 5.0 | 0.81 lb | 18 |
| 1991-08-27 | Standard trap nets | 0.6 (normal) | 0.3 – 1.3 | 0.38 lb | 5 |
| 1989-08-21 | Standard gill nets | 1.6 (normal) | 0.8 – 5.0 | 1.06 lb | 19 |
| 1989-08-21 | Standard trap nets | 0.4 (normal) | 0.3 – 1.3 | 1.38 lb | 4 |
| 2020-07-13 | Standard gill nets | 0.4 (below normal) | 0.8 – 5.0 | 2.01 lb | 4 |
Hybrid Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | Standard trap nets | 0.1 | — | 0.46 lb | 1 |
Spottail Shiner
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2010-07-12 | 1/4-in trap nets | 0.7 | — | 7 |
Common Shiner
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2010-07-12 | 1/4-in trap nets | 0.9 | — | — | 9 |
| 2000-07-05 | Standard gill nets | 0.1 | — | 0.07 lb | 1 |
Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1979-08-17 | Standard trap nets | 0.4 | — | 0.75 lb | 2 |
| 1979-08-17 | Standard gill nets | 1.8 | — | 0.29 lb | 22 |
Black Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1987-08-21 | Standard trap nets | 0.2 (below normal) | 0.4 – 18.6 | 0.75 lb | 2 |
| 1991-08-27 | Standard trap nets | 0.3 (below normal) | 0.4 – 18.6 | 0.30 lb | 3 |
Bluntnose Minnow
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2005-07-07 | Survey seining | 1.7 | — | 5 |
Logperch
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2005-07-07 | Survey seining | 2.7 | — | 8 |
Mimic Shiner
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2005-07-07 | Survey seining | 2.7 | — | 8 |
Johnny Darter
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2005-07-07 | Survey seining | 1.0 | — | 3 |
Pumpkinseed
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2005-07-07 | Standard trap nets | 0.1 (below normal) | 0.4 – 3.8 | 0.33 lb | 1 |
| 2020-07-13 | Standard trap nets | 0.1 (below normal) | 0.4 – 3.8 | 0.30 lb | 1 |
Burbot
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2020-07-13 | Standard gill nets | 0.1 (normal) | 0.1 – 0.3 | 1.08 lb | 1 |
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Fish Species
Species known to inhabit Colby. Click any species for a full fishing guide.
Other Lakes in St. Louis County
Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026.
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