St. Mary's
St. Louis County, Minnesota — DOW #69065100
111 Surveys
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on St. Mary's.
Green = above normal range. Red = below normal.
Tullibee (Cisco)
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1981-07-09 | Standard gill nets | 3.5 (normal) | 1.4 – 13.1 | 0.39 lb | 14 |
| 2011-08-08 | Standard gill nets | 4.7 (normal) | 1.4 – 13.1 | 0.77 lb | 28 |
| 1989-07-21 | Standard gill nets | 7.8 (normal) | 1.4 – 13.1 | 0.88 lb | 31 |
| 1986-07-23 | Standard gill nets | 6.5 (normal) | 1.4 – 13.1 | 0.75 lb | 26 |
Black Crappie
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1981-07-09 | Standard gill nets | 5.8 (above normal) | 0.4 – 3.3 | 0.11 lb | 23 |
| 1981-07-09 | Standard trap nets | 4.3 (normal) | 0.8 – 4.5 | 0.26 lb | 34 |
| 2019-07-29 | Standard gill nets | 1.8 (normal) | 0.4 – 3.3 | 0.39 lb | 11 |
| 2019-07-29 | Standard trap nets | 1.6 (normal) | 0.8 – 4.5 | 0.27 lb | 14 |
| 2011-08-08 | 1/4-in trap nets | 2.2 | — | — | 22 |
| 2011-08-08 | Standard gill nets | 3.8 (above normal) | 0.4 – 3.3 | 0.34 lb | 23 |
| 2011-08-08 | Standard trap nets | 10.0 (above normal) | 0.8 – 4.5 | 0.24 lb | 90 |
| 1989-07-21 | Standard gill nets | 3.3 (normal) | 0.4 – 3.3 | 0.12 lb | 13 |
| 1989-07-21 | Standard trap nets | 1.6 (normal) | 0.8 – 4.5 | 0.15 lb | 13 |
| 1986-07-23 | Standard gill nets | 2.3 (normal) | 0.4 – 3.3 | 0.14 lb | 9 |
| 1986-07-23 | Standard trap nets | 4.1 (normal) | 0.8 – 4.5 | 0.17 lb | 33 |
Northern Pike
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1981-07-09 | Standard gill nets | 1.0 (below normal) | 1.8 – 5.5 | 5.25 lb | 4 |
| 1981-07-09 | Standard trap nets | 0.1 | — | 4.50 lb | 1 |
| 2019-07-29 | Standard gill nets | 2.0 (normal) | 1.8 – 5.5 | 5.40 lb | 12 |
| 2011-08-08 | Standard gill nets | 3.3 (normal) | 1.8 – 5.5 | 5.58 lb | 20 |
| 2011-08-08 | Standard trap nets | 0.2 | — | 5.99 lb | 2 |
| 1989-07-21 | Standard gill nets | 2.0 (normal) | 1.8 – 5.5 | 5.22 lb | 8 |
| 1989-07-21 | Standard trap nets | 0.3 | — | 3.35 lb | 2 |
| 1986-07-23 | Standard gill nets | 0.5 (below normal) | 1.8 – 5.5 | 3.95 lb | 2 |
White Sucker
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1981-07-09 | Standard gill nets | 2.5 (normal) | 2.3 – 8.7 | 1.48 lb | 10 |
| 1981-07-09 | Standard trap nets | 0.4 (normal) | 0.2 – 0.9 | 2.50 lb | 3 |
| 2019-07-29 | Standard gill nets | 1.3 (below normal) | 2.3 – 8.7 | 3.12 lb | 8 |
| 2011-08-08 | Standard gill nets | 1.3 (below normal) | 2.3 – 8.7 | 1.63 lb | 8 |
| 1986-07-23 | Standard gill nets | 0.3 (below normal) | 2.3 – 8.7 | 3.80 lb | 1 |
Bluegill
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1981-07-09 | Standard trap nets | 13.0 (normal) | 3.2 – 21.2 | 0.13 lb | 104 |
| 1981-07-09 | Standard gill nets | 29.5 | — | 0.05 lb | 118 |
| 2019-07-29 | Standard gill nets | 1.8 | — | 0.12 lb | 11 |
| 2019-07-29 | Standard trap nets | 12.1 (normal) | 3.2 – 21.2 | 0.15 lb | 109 |
| 2011-08-08 | 1/4-in trap nets | 49.0 | — | — | 490 |
| 2011-08-08 | Standard gill nets | 6.7 | — | 0.08 lb | 40 |
| 2011-08-08 | Standard trap nets | 25.1 (above normal) | 3.2 – 21.2 | 0.11 lb | 226 |
| 1989-07-21 | Standard gill nets | 8.0 | — | 0.10 lb | 32 |
| 1989-07-21 | Standard trap nets | 65.0 (above normal) | 3.2 – 21.2 | 0.12 lb | 520 |
| 1986-07-23 | Standard gill nets | 9.8 | — | 0.09 lb | 39 |
| 1986-07-23 | Standard trap nets | 80.5 (above normal) | 3.2 – 21.2 | 0.11 lb | 644 |
Largemouth Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1981-07-09 | Standard trap nets | 7.5 (above normal) | 0.3 – 1.2 | 0.67 lb | 60 |
| 1981-07-09 | Standard gill nets | 2.0 (above normal) | 0.2 – 1.1 | 1.34 lb | 8 |
| 2019-07-29 | Standard electrofishing | 101.3 | — | 1.04 lb | 135 |
| 2019-07-29 | Standard gill nets | 3.5 (above normal) | 0.2 – 1.1 | 1.02 lb | 21 |
| 2019-07-29 | Standard trap nets | 0.9 (normal) | 0.3 – 1.2 | 0.67 lb | 8 |
| 2011-08-08 | 1/4-in trap nets | 3.3 | — | — | 33 |
| 2011-08-08 | Standard gill nets | 2.5 (above normal) | 0.2 – 1.1 | 1.00 lb | 15 |
| 2011-08-08 | Standard trap nets | 3.4 (above normal) | 0.3 – 1.2 | 0.35 lb | 31 |
| 1989-07-21 | Standard gill nets | 2.0 (above normal) | 0.2 – 1.1 | 0.88 lb | 8 |
| 1989-07-21 | Standard trap nets | 4.1 (above normal) | 0.3 – 1.2 | 0.22 lb | 33 |
| 1986-07-23 | Standard gill nets | 0.3 (normal) | 0.2 – 1.1 | 0.10 lb | 1 |
| 1986-07-23 | Standard trap nets | 2.3 (above normal) | 0.3 – 1.2 | 0.13 lb | 18 |
Rock Bass
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1981-07-09 | Standard trap nets | 2.0 (above normal) | 0.5 – 1.8 | 0.22 lb | 16 |
| 1981-07-09 | Standard gill nets | 0.8 (normal) | 0.5 – 2.2 | 0.53 lb | 3 |
| 2019-07-29 | Standard gill nets | 0.3 (below normal) | 0.5 – 2.2 | 0.43 lb | 2 |
| 2019-07-29 | Standard trap nets | 0.8 (normal) | 0.5 – 1.8 | 0.19 lb | 7 |
| 2011-08-08 | Standard gill nets | 2.0 (normal) | 0.5 – 2.2 | 0.45 lb | 12 |
| 2011-08-08 | Standard trap nets | 1.6 (normal) | 0.5 – 1.8 | 0.14 lb | 14 |
| 2011-08-08 | 1/4-in trap nets | 1.0 | — | — | 10 |
| 1989-07-21 | Standard gill nets | 0.5 (normal) | 0.5 – 2.2 | 0.35 lb | 2 |
| 1989-07-21 | Standard trap nets | 1.8 (normal) | 0.5 – 1.8 | 0.21 lb | 14 |
| 1986-07-23 | Standard gill nets | 1.8 (normal) | 0.5 – 2.2 | 0.29 lb | 7 |
| 1986-07-23 | Standard trap nets | 1.4 (normal) | 0.5 – 1.8 | 0.12 lb | 11 |
Pumpkinseed
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1981-07-09 | Standard gill nets | 0.3 | — | 0.10 lb | 1 |
| 1981-07-09 | Standard trap nets | 18.8 (above normal) | 1.0 – 5.2 | 0.15 lb | 150 |
| 2019-07-29 | Standard trap nets | 0.2 (below normal) | 1.0 – 5.2 | 0.20 lb | 2 |
| 2011-08-08 | Standard trap nets | 0.2 (below normal) | 1.0 – 5.2 | 0.24 lb | 2 |
| 1989-07-21 | Standard gill nets | 2.5 | — | 0.24 lb | 10 |
| 1989-07-21 | Standard trap nets | 33.6 (above normal) | 1.0 – 5.2 | 0.18 lb | 269 |
| 1986-07-23 | Standard gill nets | 0.8 | — | 0.17 lb | 3 |
| 1986-07-23 | Standard trap nets | 38.0 (above normal) | 1.0 – 5.2 | 0.18 lb | 304 |
Walleye
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1981-07-09 | Standard trap nets | 0.1 (below normal) | 0.3 – 1.1 | 3.75 lb | 1 |
| 2019-07-29 | Standard gill nets | 2.3 (normal) | 2.0 – 9.7 | 2.02 lb | 14 |
| 2019-07-29 | Standard trap nets | 0.2 (below normal) | 0.3 – 1.1 | 2.01 lb | 2 |
| 2011-08-08 | Standard gill nets | 5.5 (normal) | 2.0 – 9.7 | 0.90 lb | 33 |
| 2011-08-08 | Standard trap nets | 0.4 (normal) | 0.3 – 1.1 | 0.35 lb | 4 |
| 2011-08-08 | 1/4-in trap nets | 0.2 | — | — | 2 |
| 1989-07-21 | Standard gill nets | 6.3 (normal) | 2.0 – 9.7 | 1.76 lb | 25 |
| 1989-07-21 | Standard trap nets | 1.1 (above normal) | 0.3 – 1.1 | 1.77 lb | 9 |
| 1986-07-23 | Standard gill nets | 2.8 (normal) | 2.0 – 9.7 | 0.85 lb | 11 |
| 1986-07-23 | Standard trap nets | 2.6 (above normal) | 0.3 – 1.1 | 0.85 lb | 21 |
Yellow Perch
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1981-07-09 | Standard gill nets | 2.5 (normal) | 1.7 – 14.1 | 0.15 lb | 10 |
| 2011-08-08 | Standard trap nets | 0.6 (normal) | 0.3 – 2.5 | 0.07 lb | 5 |
| 2011-08-08 | 1/4-in trap nets | 21.6 | — | — | 216 |
| 2011-08-08 | Standard gill nets | 0.8 (below normal) | 1.7 – 14.1 | 0.13 lb | 5 |
| 1989-07-21 | Standard trap nets | 0.4 (normal) | 0.3 – 2.5 | 0.13 lb | 3 |
| 1989-07-21 | Standard gill nets | 1.3 (below normal) | 1.7 – 14.1 | 0.08 lb | 5 |
| 1986-07-23 | Standard trap nets | 0.8 (normal) | 0.3 – 2.5 | 0.17 lb | 6 |
| 1986-07-23 | Standard gill nets | 4.8 (normal) | 1.7 – 14.1 | 0.16 lb | 19 |
Brown Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2019-07-29 | Standard trap nets | 0.1 (below normal) | 0.3 – 0.9 | 0.46 lb | 1 |
| 1989-07-21 | Standard trap nets | 0.1 (below normal) | 0.3 – 0.9 | 0.90 lb | 1 |
| 1989-07-21 | Standard gill nets | 0.3 (normal) | 0.2 – 0.7 | 1.30 lb | 1 |
Hybrid Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2019-07-29 | Standard gill nets | 0.8 | — | 0.24 lb | 5 |
| 2019-07-29 | Standard trap nets | 6.3 | — | 0.26 lb | 57 |
| 2011-08-08 | Standard gill nets | 0.3 | — | 0.19 lb | 2 |
| 2011-08-08 | Standard trap nets | 6.2 | — | 0.21 lb | 56 |
| 2011-08-08 | 1/4-in trap nets | 3.3 | — | — | 33 |
Golden Shiner
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2019-07-29 | Standard trap nets | 0.1 (below normal) | 0.2 – 0.9 | 0.07 lb | 1 |
| 2011-08-08 | Standard gill nets | 0.2 (below normal) | 0.2 – 0.8 | 0.09 lb | 1 |
| 2011-08-08 | Standard trap nets | 0.3 (normal) | 0.2 – 0.9 | 0.06 lb | 3 |
| 2011-08-08 | 1/4-in trap nets | 0.2 | — | — | 2 |
| 1989-07-21 | Standard gill nets | 1.0 (above normal) | 0.2 – 0.8 | 0.07 lb | 4 |
| 1986-07-23 | Standard gill nets | 0.8 (normal) | 0.2 – 0.8 | 0.13 lb | 3 |
| 1986-07-23 | Standard trap nets | 0.5 (normal) | 0.2 – 0.9 | 0.10 lb | 4 |
CIS
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2019-07-29 | Standard gill nets | 3.0 | — | 1.47 lb | 18 |
Green Sunfish
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 2011-08-08 | Standard trap nets | 0.2 (below normal) | 0.3 – 12.1 | 0.08 lb | 2 |
| 1989-07-21 | Standard trap nets | 11.1 (normal) | 0.3 – 12.1 | 0.23 lb | 89 |
BST
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2011-08-08 | 1/4-in trap nets | 0.1 | — | 1 |
Johnny Darter
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2011-08-08 | 1/4-in trap nets | 0.1 | — | 1 |
BNS
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2011-08-08 | 1/4-in trap nets | 5.7 | — | 57 |
Fathead Minnow
| Date | Gear | CPUE | Normal Range | Total Catch |
| 2011-08-08 | 1/4-in trap nets | 5.4 | — | 54 |
Black Bullhead
| Date | Gear | CPUE | Normal Range | Avg Weight | Total Catch |
| 1989-07-21 | Standard trap nets | 0.1 (below normal) | 0.2 – 1.2 | 0.80 lb | 1 |
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Fish Species
Species known to inhabit St. Mary's. 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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