Home / Lakes / Bertha Bertha Crow Wing County, Minnesota — DOW #18035500
317 Surveys
Special Regulations for Bertha
This lake has regulations that differ from statewide defaults. Always check before fishing.
Daily limit five. (Whitefish Chain including connected Cross Lake Reservoir, Lower Hay, Arrowhead, Bertha, Clamshell, Big Trout, Pig, Island-Loon, Rush-Hen, Dagget, and Little Pine lakes) Invasive Species Alert Bertha has confirmed populations of:
Clean, drain, and dry all equipment before moving to another water body. It's the law in Minnesota.
DNR Fish Surveys
Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Bertha.
Green = above normal range. Red = below normal.
Longnose Dace Date Gear CPUE Normal Range Total Catch 2018-06-25 50-ft beach seine 0.1 — 1 2018-06-25 Backpack electrofishing 8.7 — 9 2022-07-25 Backpack electrofishing 2.6 — 3 2011-06-13 Backpack electrofishing 4.3 — 3
Bluegill Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-25 Backpack electrofishing 1.0 — — 1 2018-06-25 50-ft beach seine 51.2 — — 461 1995-06-14 Standard gill nets 0.2 — 0.08 lb 1 1995-06-14 Survey seining 2.2 — 0.05 lb 11 1995-06-14 Standard trap nets 89.9 (above normal) 7.7 – 43.4 0.15 lb 719 2022-07-25 Backpack electrofishing 15.4 — — 18 2022-07-25 50-ft beach seine 49.9 — — 449 1990-06-13 Standard gill nets 3.7 — 0.10 lb 22 1990-06-13 Standard trap nets 131.5 (above normal) 7.7 – 43.4 0.21 lb 1052 2000-06-07 Standard gill nets 5.8 — 0.06 lb 35 2000-06-07 Survey seining 15.6 — — 78 2000-06-07 Standard trap nets 117.8 (above normal) 7.7 – 43.4 0.04 lb 942 2005-06-13 Standard gill nets 2.7 — 0.14 lb 24 2005-06-13 Standard trap nets 28.2 (normal) 7.7 – 43.4 0.10 lb 254 2018-06-11 Standard gill nets 1.0 — 0.21 lb 9 2018-06-11 Standard trap nets 30.6 (normal) 7.7 – 43.4 0.16 lb 245 2024-06-10 Standard gill nets 5.4 — 0.13 lb 49 2024-06-10 Standard trap nets 26.0 (normal) 7.7 – 43.4 0.08 lb 234 2011-06-13 Standard gill nets 0.7 — 0.18 lb 6 2011-06-13 Backpack electrofishing 28.7 — — 20 2011-06-13 Standard trap nets 29.9 (normal) 7.7 – 43.4 0.19 lb 269 2011-06-13 50-ft beach seine 18.3 — — 146
White Sucker Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-25 Backpack electrofishing 17.3 — — 18 2018-06-25 50-ft beach seine 28.9 — — 260 1995-06-14 Survey seining 3.8 — 0.13 lb 19 1995-06-14 Standard gill nets 1.5 (normal) 0.5 – 2.0 3.00 lb 9 2022-07-25 50-ft beach seine 0.2 — — 2 1990-06-13 Standard gill nets 0.8 (normal) 0.5 – 2.0 2.36 lb 5 1990-06-13 Standard trap nets 1.5 (above normal) 0.2 – 0.7 2.41 lb 12 2000-06-07 Standard trap nets 0.1 (below normal) 0.2 – 0.7 1.98 lb 1 2000-06-07 Standard gill nets 2.0 (normal) 0.5 – 2.0 2.50 lb 12 2005-06-13 Standard gill nets 1.1 (normal) 0.5 – 2.0 2.73 lb 10 2018-06-11 Standard gill nets 1.1 (normal) 0.5 – 2.0 3.10 lb 10 2024-06-10 Standard gill nets 1.2 (normal) 0.5 – 2.0 2.33 lb 11 2011-06-13 Standard gill nets 1.2 (normal) 0.5 – 2.0 3.26 lb 11
BNS Date Gear CPUE Normal Range Total Catch 2018-06-25 50-ft beach seine 4.0 — 36 1995-06-14 Survey seining 0.4 — 2 2022-07-25 50-ft beach seine 2.7 — 24 2011-06-13 Backpack electrofishing 2.9 — 2 2011-06-13 50-ft beach seine 0.1 — 1
Yellow Perch Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-25 Backpack electrofishing 1.0 — — 1 2018-06-25 50-ft beach seine 94.7 — — 852 1995-06-14 Standard gill nets 11.2 (normal) 1.5 – 13.8 0.11 lb 67 1995-06-14 Survey seining 12.0 — 0.02 lb 60 1995-06-14 Standard trap nets 2.8 (above normal) 0.4 – 2.3 0.15 lb 22 2022-07-25 50-ft beach seine 21.1 — — 190 1990-06-13 Standard trap nets 0.4 (below normal) 0.4 – 2.3 0.37 lb 3 1990-06-13 Standard gill nets 0.2 (below normal) 1.5 – 13.8 0.10 lb 1 2000-06-07 Standard gill nets 3.8 (normal) 1.5 – 13.8 0.11 lb 23 2000-06-07 Survey seining 4.2 — — 21 2000-06-07 Standard trap nets 1.1 (normal) 0.4 – 2.3 0.20 lb 9 2005-06-13 Standard gill nets 1.8 (normal) 1.5 – 13.8 0.09 lb 16 2018-06-11 Standard trap nets 0.1 (below normal) 0.4 – 2.3 0.06 lb 1 2018-06-11 Standard gill nets 0.1 (below normal) 1.5 – 13.8 0.09 lb 1 2024-06-10 Standard trap nets 0.1 (below normal) 0.4 – 2.3 0.25 lb 1 2024-06-10 Standard gill nets 4.2 (normal) 1.5 – 13.8 0.15 lb 38 2011-06-13 50-ft beach seine 3.0 — — 24 2011-06-13 Standard gill nets 1.7 (normal) 1.5 – 13.8 0.09 lb 15 2011-06-13 Backpack electrofishing 2.9 — — 2 2011-06-13 Standard trap nets 0.3 (below normal) 0.4 – 2.3 0.14 lb 3
Mimic Shiner Date Gear CPUE Normal Range Total Catch 2018-06-25 Backpack electrofishing 6.7 — 7 2018-06-25 50-ft beach seine 10.1 — 91 2022-07-25 Backpack electrofishing 0.9 — 1 2022-07-25 50-ft beach seine 7.2 — 65 2011-06-13 Backpack electrofishing 1.4 — 1
Johnny Darter Date Gear CPUE Normal Range Total Catch 2018-06-25 Backpack electrofishing 5.8 — 6 2018-06-25 50-ft beach seine 2.7 — 24 2022-07-25 Backpack electrofishing 18.0 — 21 2022-07-25 50-ft beach seine 1.8 — 16 2011-06-13 50-ft beach seine 1.0 — 8 2011-06-13 Backpack electrofishing 25.8 — 18
Green Sunfish Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-25 Backpack electrofishing 1.0 — — 1 2018-06-25 50-ft beach seine 0.4 — — 4 1995-06-14 Standard trap nets 0.3 (below normal) 0.6 – 2.0 0.07 lb 2 2022-07-25 Backpack electrofishing 1.7 — — 2 2022-07-25 50-ft beach seine 0.3 — — 3 2024-06-10 Standard trap nets 0.1 (below normal) 0.6 – 2.0 0.04 lb 1 2011-06-13 Backpack electrofishing 24.4 — — 17
Northern Pike Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-25 50-ft beach seine 0.2 — — 2 1995-06-14 Standard gill nets 14.2 (above normal) 2.2 – 8.7 2.50 lb 85 1995-06-14 Standard trap nets 0.5 — 1.31 lb 4 1990-06-13 Standard gill nets 16.2 (above normal) 2.2 – 8.7 2.52 lb 97 1990-06-13 Standard trap nets 0.4 — 2.50 lb 3 2000-06-07 Standard gill nets 17.3 (above normal) 2.2 – 8.7 2.18 lb 104 2000-06-07 Standard trap nets 0.4 — 5.02 lb 3 2005-06-13 Standard gill nets 11.1 (above normal) 2.2 – 8.7 2.39 lb 100 2005-06-13 Standard trap nets 0.8 — 2.67 lb 7 2018-06-11 Standard gill nets 7.9 (normal) 2.2 – 8.7 2.29 lb 71 2018-06-11 Standard trap nets 1.1 — 1.55 lb 9 2024-06-10 Standard gill nets 8.6 (normal) 2.2 – 8.7 2.85 lb 77 2024-06-10 Standard trap nets 0.3 — 1.87 lb 3 2011-06-13 Standard gill nets 14.4 (above normal) 2.2 – 8.7 1.97 lb 130 2011-06-13 Standard trap nets 1.4 — 1.10 lb 13
Bluntnose Minnow Date Gear CPUE Normal Range Total Catch 2018-06-25 50-ft beach seine 29.9 — 269 2018-06-25 Backpack electrofishing 6.7 — 7 2022-07-25 50-ft beach seine 25.3 — 228 2022-07-25 Backpack electrofishing 13.7 — 16 2000-06-07 Survey seining 1.4 — 7 2011-06-13 15-ft beach seine 11.0 — 11 2011-06-13 Backpack electrofishing 18.6 — 13 2011-06-13 50-ft beach seine 23.6 — 189
Spottail Shiner Date Gear CPUE Normal Range Total Catch 2018-06-25 50-ft beach seine 2.4 — 22 1995-06-14 Survey seining 0.4 — 2 2022-07-25 50-ft beach seine 1.4 — 13
Rock Bass Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-25 50-ft beach seine 4.3 — — 39 2018-06-25 Backpack electrofishing 17.3 — — 18 1995-06-14 Standard gill nets 0.3 (below normal) 0.7 – 4.4 0.22 lb 2 1995-06-14 Survey seining 0.4 — — 2 1995-06-14 Standard trap nets 7.1 (above normal) 0.8 – 3.7 0.44 lb 57 2022-07-25 Backpack electrofishing 6.0 — — 7 1990-06-13 Standard gill nets 1.0 (normal) 0.7 – 4.4 0.55 lb 6 1990-06-13 Standard trap nets 9.4 (above normal) 0.8 – 3.7 0.46 lb 75 2000-06-07 Standard gill nets 4.3 (normal) 0.7 – 4.4 0.28 lb 26 2000-06-07 Standard trap nets 4.6 (above normal) 0.8 – 3.7 0.35 lb 37 2005-06-13 Standard gill nets 1.8 (normal) 0.7 – 4.4 0.16 lb 16 2005-06-13 Standard trap nets 2.8 (normal) 0.8 – 3.7 0.32 lb 25 2018-06-11 Standard gill nets 1.6 (normal) 0.7 – 4.4 0.46 lb 14 2018-06-11 Standard trap nets 7.0 (above normal) 0.8 – 3.7 0.41 lb 56 2024-06-10 Standard gill nets 6.8 (above normal) 0.7 – 4.4 0.27 lb 61 2024-06-10 Standard trap nets 1.7 (normal) 0.8 – 3.7 0.48 lb 15 2011-06-13 Standard gill nets 2.4 (normal) 0.7 – 4.4 0.50 lb 22 2011-06-13 Backpack electrofishing 5.7 — — 4 2011-06-13 Standard trap nets 6.4 (above normal) 0.8 – 3.7 0.45 lb 58
Logperch Date Gear CPUE Normal Range Total Catch 2018-06-25 50-ft beach seine 0.8 — 7 1995-06-14 Survey seining 2.4 — 12 2022-07-25 50-ft beach seine 0.1 — 1 2000-06-07 Survey seining 0.4 — 2 2011-06-13 Backpack electrofishing 5.7 — 4 2011-06-13 50-ft beach seine 0.5 — 4
BCS Date Gear CPUE Normal Range Total Catch 2018-06-25 50-ft beach seine 3.4 — 31 2022-07-25 50-ft beach seine 3.1 — 28 2011-06-13 Backpack electrofishing 24.4 — 17 2011-06-13 15-ft beach seine 1.0 — 1
BKF Date Gear CPUE Normal Range Total Catch 2018-06-25 50-ft beach seine 28.8 — 259 2018-06-25 Backpack electrofishing 10.6 — 11 1995-06-14 Survey seining 0.4 — 2 2022-07-25 50-ft beach seine 4.2 — 38 2022-07-25 Backpack electrofishing 2.6 — 3 2000-06-07 Survey seining 1.4 — 7 2011-06-13 15-ft beach seine 3.0 — 3 2011-06-13 Backpack electrofishing 20.1 — 14 2011-06-13 50-ft beach seine 1.3 — 10
Hybrid Sunfish Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-25 50-ft beach seine 0.1 — — 1 2018-06-25 Backpack electrofishing 1.9 — — 2 1995-06-14 Standard trap nets 1.4 — 0.24 lb 11 2022-07-25 50-ft beach seine 0.1 — — 1 1990-06-13 Standard trap nets 1.0 — 0.19 lb 8 2000-06-07 Survey seining 0.2 — — 1 2000-06-07 Standard trap nets 3.0 — 0.22 lb 24 2005-06-13 Standard gill nets 0.1 — 0.14 lb 1 2005-06-13 Standard trap nets 2.8 — 0.27 lb 25 2018-06-11 Standard trap nets 2.3 — 0.36 lb 18 2024-06-10 Standard gill nets 0.1 — 0.04 lb 1 2024-06-10 Standard trap nets 2.0 — 0.22 lb 18 2011-06-13 Standard gill nets 0.1 — 0.04 lb 1 2011-06-13 Standard trap nets 1.9 — 0.38 lb 17 2011-06-13 50-ft beach seine 0.4 — — 3
Fathead Minnow Date Gear CPUE Normal Range Total Catch 2018-06-25 50-ft beach seine 0.1 — 1
Yellow Bullhead Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-25 Backpack electrofishing 1.9 — — 2 1995-06-14 Standard trap nets 7.1 (above normal) 1.0 – 5.3 0.58 lb 57 1995-06-14 Standard gill nets 1.5 (normal) 1.0 – 6.0 0.40 lb 9 1990-06-13 Standard gill nets 9.7 (above normal) 1.0 – 6.0 0.36 lb 58 1990-06-13 Standard trap nets 12.3 (above normal) 1.0 – 5.3 0.44 lb 98 2000-06-07 Standard trap nets 10.1 (above normal) 1.0 – 5.3 0.57 lb 81 2000-06-07 Standard gill nets 5.0 (normal) 1.0 – 6.0 0.59 lb 30 2005-06-13 Standard gill nets 2.1 (normal) 1.0 – 6.0 0.55 lb 19 2005-06-13 Standard trap nets 1.2 (normal) 1.0 – 5.3 0.61 lb 11 2018-06-11 Standard gill nets 0.3 (below normal) 1.0 – 6.0 0.79 lb 3 2018-06-11 Standard trap nets 5.4 (above normal) 1.0 – 5.3 0.69 lb 43 2024-06-10 Standard gill nets 0.9 (below normal) 1.0 – 6.0 0.56 lb 8 2024-06-10 Standard trap nets 0.2 (below normal) 1.0 – 5.3 0.56 lb 2 2011-06-13 Backpack electrofishing 2.9 — — 2 2011-06-13 Standard trap nets 3.4 (normal) 1.0 – 5.3 0.61 lb 31 2011-06-13 Standard gill nets 4.6 (normal) 1.0 – 6.0 0.62 lb 41
Common Shiner Date Gear CPUE Normal Range Total Catch 2018-06-25 50-ft beach seine 0.2 — 2 1995-06-14 Survey seining 6.6 — 33 2022-07-25 50-ft beach seine 3.6 — 32 2000-06-07 Survey seining 0.6 — 3
Iowa Darter Date Gear CPUE Normal Range Total Catch 2018-06-25 50-ft beach seine 1.9 — 17 2018-06-25 Backpack electrofishing 16.4 — 17 2011-06-13 Backpack electrofishing 5.7 — 4 2011-06-13 50-ft beach seine 0.4 — 3
Largemouth Bass Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-25 50-ft beach seine 13.1 — — 118 1995-06-14 Survey seining 3.6 — — 18 1995-06-14 Standard trap nets 1.3 (normal) 0.4 – 1.5 0.16 lb 10 2022-07-25 Backpack electrofishing 4.3 — — 5 2022-07-25 50-ft beach seine 8.6 — — 77 1990-06-13 Standard gill nets 0.2 (below normal) 0.5 – 1.7 0.50 lb 1 1990-06-13 Standard trap nets 0.9 (normal) 0.4 – 1.5 0.34 lb 7 2000-06-07 Special electrofishing 45.1 — 0.75 lb 37 2000-06-07 Standard gill nets 0.8 (normal) 0.5 – 1.7 0.92 lb 5 2000-06-07 Survey seining 1.0 — — 5 2000-06-07 Standard trap nets 1.3 (normal) 0.4 – 1.5 0.59 lb 10 2005-06-13 Standard gill nets 0.6 (normal) 0.5 – 1.7 0.59 lb 5 2005-06-13 Standard trap nets 0.6 (normal) 0.4 – 1.5 0.14 lb 5 2018-06-11 Standard gill nets 0.8 (normal) 0.5 – 1.7 1.37 lb 7 2018-06-11 Standard trap nets 1.1 (normal) 0.4 – 1.5 0.78 lb 9 2024-06-10 Standard gill nets 1.3 (normal) 0.5 – 1.7 0.88 lb 12 2011-06-13 50-ft beach seine 1.4 — — 11 2011-06-13 15-ft beach seine 1.0 — — 1 2011-06-13 Standard gill nets 0.7 (normal) 0.5 – 1.7 1.11 lb 6 2011-06-13 Backpack electrofishing 5.7 — — 4 2011-06-13 Standard trap nets 0.7 (normal) 0.4 – 1.5 0.92 lb 6
Pumpkinseed Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-25 50-ft beach seine 3.1 — — 28 1995-06-14 Survey seining 0.2 — — 1 1995-06-14 Standard trap nets 2.8 (normal) 1.4 – 5.9 0.14 lb 22 2022-07-25 Backpack electrofishing 3.4 — — 4 2022-07-25 50-ft beach seine 10.0 — — 90 1990-06-13 Standard gill nets 0.5 — 0.17 lb 3 1990-06-13 Standard trap nets 10.4 (above normal) 1.4 – 5.9 0.17 lb 83 2000-06-07 Standard gill nets 0.7 — 0.08 lb 4 2000-06-07 Standard trap nets 20.0 (above normal) 1.4 – 5.9 0.14 lb 160 2005-06-13 Standard gill nets 0.9 — 0.12 lb 8 2005-06-13 Standard trap nets 4.4 (normal) 1.4 – 5.9 0.16 lb 40 2018-06-11 Standard gill nets 0.4 — 0.14 lb 4 2018-06-11 Standard trap nets 6.0 (above normal) 1.4 – 5.9 0.17 lb 48 2024-06-10 Standard gill nets 1.2 — 0.07 lb 11 2024-06-10 Standard trap nets 3.3 (normal) 1.4 – 5.9 0.10 lb 30 2011-06-13 Standard gill nets 0.2 — 0.14 lb 2 2011-06-13 Backpack electrofishing 1.4 — — 1 2011-06-13 Standard trap nets 2.6 (normal) 1.4 – 5.9 0.16 lb 23 2011-06-13 50-ft beach seine 1.0 — — 8
Smallmouth Bass Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-25 Backpack electrofishing 1.0 — — 1 2022-07-25 50-ft beach seine 0.7 — — 6 2022-07-25 Backpack electrofishing 2.6 — — 3 2011-06-13 Standard trap nets 0.1 (below normal) 0.2 – 0.8 2.58 lb 1
LKW Date Gear CPUE Normal Range Avg Weight Total Catch 1995-06-14 Standard gill nets 1.0 (normal) 0.4 – 5.9 1.87 lb 6 1990-06-13 Standard gill nets 9.0 (above normal) 0.4 – 5.9 0.55 lb 54 2000-06-07 Standard gill nets 1.5 (normal) 0.4 – 5.9 2.32 lb 9 2005-06-13 Standard gill nets 0.9 (normal) 0.4 – 5.9 1.43 lb 8 2018-06-11 Standard gill nets 1.0 (normal) 0.4 – 5.9 2.85 lb 9 2024-06-10 Standard gill nets 0.2 (below normal) 0.4 – 5.9 3.77 lb 2 2011-06-13 Standard gill nets 0.9 (normal) 0.4 – 5.9 3.03 lb 8
Walleye Date Gear CPUE Normal Range Avg Weight Total Catch 1995-06-14 Standard gill nets 1.7 (normal) 1.0 – 5.0 3.35 lb 10 1990-06-13 Standard gill nets 0.5 (below normal) 1.0 – 5.0 6.37 lb 3 1990-06-13 Standard trap nets 0.1 (below normal) 0.2 – 0.7 1.70 lb 1 2000-06-07 Special electrofishing 1.2 — 1.42 lb 1 2000-06-07 Standard gill nets 4.0 (normal) 1.0 – 5.0 2.49 lb 24 2000-06-07 Standard trap nets 0.1 (below normal) 0.2 – 0.7 6.39 lb 1 2005-06-13 Standard gill nets 1.3 (normal) 1.0 – 5.0 4.22 lb 12 2005-06-13 Standard trap nets 0.4 (normal) 0.2 – 0.7 2.73 lb 4 2018-06-11 Standard gill nets 1.7 (normal) 1.0 – 5.0 5.59 lb 15 2018-06-11 Standard trap nets 0.3 (normal) 0.2 – 0.7 2.65 lb 2 2024-06-10 Standard gill nets 1.4 (normal) 1.0 – 5.0 5.42 lb 13 2024-06-10 Standard trap nets 0.2 (normal) 0.2 – 0.7 5.36 lb 2 2011-06-13 Standard gill nets 2.9 (normal) 1.0 – 5.0 4.17 lb 26 2011-06-13 Standard trap nets 0.4 (normal) 0.2 – 0.7 6.14 lb 4
Bowfin Date Gear CPUE Normal Range Avg Weight Total Catch 1995-06-14 Standard trap nets 0.5 (normal) 0.3 – 1.0 7.16 lb 4 1990-06-13 Standard trap nets 1.4 (above normal) 0.3 – 1.0 5.07 lb 11 2000-06-07 Standard trap nets 0.8 (normal) 0.3 – 1.0 4.87 lb 6 2005-06-13 Standard gill nets 0.3 (above normal) 0.2 – 0.3 4.19 lb 3 2005-06-13 Standard trap nets 0.7 (normal) 0.3 – 1.0 5.88 lb 6 2018-06-11 Standard gill nets 0.3 (above normal) 0.2 – 0.3 3.97 lb 3 2018-06-11 Standard trap nets 1.9 (above normal) 0.3 – 1.0 5.16 lb 15 2024-06-10 Standard gill nets 0.2 (normal) 0.2 – 0.3 5.12 lb 2 2024-06-10 Standard trap nets 0.7 (normal) 0.3 – 1.0 5.36 lb 6 2011-06-13 Standard trap nets 0.2 (below normal) 0.3 – 1.0 3.12 lb 2
Black Crappie Date Gear CPUE Normal Range Avg Weight Total Catch 1995-06-14 Standard trap nets 0.4 (below normal) 0.5 – 2.2 0.74 lb 3 1990-06-13 Standard gill nets 0.3 (normal) 0.3 – 1.7 0.35 lb 2 1990-06-13 Standard trap nets 1.9 (normal) 0.5 – 2.2 0.33 lb 15 2000-06-07 Standard gill nets 0.5 (normal) 0.3 – 1.7 0.20 lb 3 2000-06-07 Standard trap nets 0.6 (normal) 0.5 – 2.2 0.35 lb 5 2005-06-13 Standard gill nets 0.6 (normal) 0.3 – 1.7 0.33 lb 5 2005-06-13 Standard trap nets 0.3 (below normal) 0.5 – 2.2 0.46 lb 3 2018-06-11 Standard gill nets 0.4 (normal) 0.3 – 1.7 0.07 lb 4 2018-06-11 Standard trap nets 0.8 (normal) 0.5 – 2.2 0.36 lb 6 2024-06-10 Standard gill nets 0.3 (normal) 0.3 – 1.7 0.32 lb 3 2024-06-10 Standard trap nets 0.2 (below normal) 0.5 – 2.2 0.37 lb 2 2011-06-13 Standard gill nets 0.3 (normal) 0.3 – 1.7 0.78 lb 3 2011-06-13 Standard trap nets 0.6 (normal) 0.5 – 2.2 0.40 lb 5
Black Bullhead Date Gear CPUE Normal Range Avg Weight Total Catch 1995-06-14 Standard trap nets 0.3 (below normal) 0.3 – 1.7 0.66 lb 2 1990-06-13 Standard trap nets 0.8 (normal) 0.3 – 1.7 0.63 lb 6 1990-06-13 Standard gill nets 0.2 (below normal) 0.3 – 1.9 0.10 lb 1 2000-06-07 Standard trap nets 0.1 (below normal) 0.3 – 1.7 1.65 lb 1 2005-06-13 Standard gill nets 0.1 (below normal) 0.3 – 1.9 0.66 lb 1 2024-06-10 Standard trap nets 0.2 (below normal) 0.3 – 1.7 0.55 lb 2
Brown Bullhead Date Gear CPUE Normal Range Avg Weight Total Catch 1995-06-14 Standard trap nets 0.8 (normal) 0.3 – 1.0 0.76 lb 6 1990-06-13 Standard trap nets 2.1 (above normal) 0.3 – 1.0 0.68 lb 17 1990-06-13 Standard gill nets 0.3 (normal) 0.3 – 1.8 0.60 lb 2 2000-06-07 Standard trap nets 0.5 (normal) 0.3 – 1.0 0.99 lb 4 2005-06-13 Standard trap nets 0.6 (normal) 0.3 – 1.0 0.79 lb 5 2005-06-13 Standard gill nets 0.1 (below normal) 0.3 – 1.8 0.66 lb 1 2018-06-11 Standard trap nets 0.4 (normal) 0.3 – 1.0 1.05 lb 3 2024-06-10 Standard trap nets 0.3 (normal) 0.3 – 1.0 0.89 lb 3 2024-06-10 Standard gill nets 0.1 (below normal) 0.3 – 1.8 1.23 lb 1 2011-06-13 Standard gill nets 0.4 (normal) 0.3 – 1.8 0.98 lb 4 2011-06-13 Standard trap nets 0.3 (normal) 0.3 – 1.0 0.77 lb 3
Shorthead Redhorse Date Gear CPUE Normal Range Avg Weight Total Catch 1995-06-14 Standard trap nets 0.1 (below normal) 0.4 – 1.4 2.56 lb 1 1990-06-13 Standard trap nets 1.1 (normal) 0.4 – 1.4 3.52 lb 9 2005-06-13 Standard gill nets 0.1 (below normal) 0.2 – 1.5 1.38 lb 1 2018-06-11 Standard gill nets 0.1 (below normal) 0.2 – 1.5 3.17 lb 1 2011-06-13 Standard gill nets 0.1 (below normal) 0.2 – 1.5 2.54 lb 1
GRR Date Gear CPUE Normal Range Avg Weight Total Catch 1995-06-14 Standard trap nets 1.1 — 4.12 lb 9 2000-06-07 Standard trap nets 1.1 — 5.40 lb 9 2005-06-13 Standard trap nets 0.2 — 5.65 lb 2 2024-06-10 Standard trap nets 0.1 — 3.42 lb 1 2011-06-13 Standard trap nets 1.1 — 6.44 lb 10
HHC Date Gear CPUE Normal Range Total Catch 1995-06-14 Survey seining 0.2 — 1
Tullibee (Cisco) Date Gear CPUE Normal Range Avg Weight Total Catch 1995-06-14 Standard gill nets 15.0 (above normal) 1.3 – 10.4 0.36 lb 90 2000-06-07 Standard gill nets 2.3 (normal) 1.3 – 10.4 0.33 lb 14 2005-06-13 Standard gill nets 31.2 (above normal) 1.3 – 10.4 0.34 lb 281 2018-06-11 Standard gill nets 14.8 (above normal) 1.3 – 10.4 0.33 lb 133 2024-06-10 Standard gill nets 6.2 (normal) 1.3 – 10.4 0.54 lb 56 2011-06-13 Standard gill nets 23.8 (above normal) 1.3 – 10.4 0.29 lb 214
LES Date Gear CPUE Normal Range Total Catch 2022-07-25 50-ft beach seine 2.3 — 21 2000-06-07 Survey seining 0.2 — 1 2011-06-13 50-ft beach seine 0.1 — 1
Tadpole Madtom Date Gear CPUE Normal Range Total Catch 2022-07-25 50-ft beach seine 0.1 — 1
SLR Date Gear CPUE Normal Range Avg Weight Total Catch 2000-06-07 Standard trap nets 0.4 — 5.39 lb 3 2011-06-13 Standard trap nets 0.3 — 5.83 lb 3 2011-06-13 Standard gill nets 0.1 — 3.14 lb 1
Burbot Date Gear CPUE Normal Range Avg Weight Total Catch 2018-06-11 Standard gill nets 0.2 (normal) 0.2 – 0.3 1.29 lb 2
Golden Shiner Date Gear CPUE Normal Range Avg Weight Total Catch 2024-06-10 Standard trap nets 0.1 (normal) 0.1 – 1.0 0.06 lb 1
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Fish Species Species known to inhabit Bertha. Click any species for a full fishing guide.
Other Lakes in Crow Wing County
Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026.
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