Trillium

Cass County, Minnesota — DOW #11027000

79 Surveys
155.46
Acres
48 ft
Max Depth
0
8
Fish Species
25
Local Guides

DNR Fish Surveys

Catch-per-unit-effort (CPUE) data from Minnesota DNR fish population assessments on Trillium. Green = above normal range. Red = below normal.

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1973-06-25 Standard gill nets 10.5 (above normal) 3.5 – 8.9 2.01 lb 42
1973-06-25 Standard trap nets 1.0 0.67 lb 10
1997-06-23 Standard gill nets 8.8 (normal) 3.5 – 8.9 3.07 lb 53
1997-06-23 Standard trap nets 1.1 1.01 lb 9
1990-06-25 Standard gill nets 7.3 (normal) 3.5 – 8.9 3.33 lb 29
1990-06-25 Standard trap nets 0.4 2.80 lb 3
1994-06-28 Standard gill nets 3.8 (normal) 3.5 – 8.9 4.02 lb 23
1994-06-28 Standard trap nets 0.2 1.35 lb 2
2002-06-24 Standard gill nets 12.7 (above normal) 3.5 – 8.9 3.97 lb 76
2002-06-24 Standard trap nets 0.2 1.53 lb 2

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1973-06-25 Standard trap nets 67.0 (above normal) 9.5 – 57.3 0.17 lb 670
1973-06-25 Standard gill nets 0.8 0.26 lb 3
1997-06-23 Standard gill nets 7.0 0.07 lb 42
1997-06-23 Special trap nets 10.0 0.07 lb 30
1997-06-23 Standard trap nets 42.6 (normal) 9.5 – 57.3 0.09 lb 341
1990-06-25 Standard trap nets 156.6 (above normal) 9.5 – 57.3 0.05 lb 1253
1990-06-25 Standard gill nets 1.0 0.10 lb 4
1994-06-28 Survey seining 82.5 0.05 lb 165
1994-06-28 Standard gill nets 5.2 0.08 lb 31
1994-06-28 Standard trap nets 29.1 (normal) 9.5 – 57.3 0.07 lb 262
2002-06-24 Standard trap nets 92.6 (above normal) 9.5 – 57.3 0.06 lb 833
2002-06-24 Standard gill nets 9.8 0.05 lb 59

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1973-06-25 Standard trap nets 0.9 (normal) 0.3 – 1.2 0.08 lb 9
1973-06-25 Standard gill nets 47.3 (above normal) 1.0 – 10.3 0.12 lb 189
1997-06-23 Standard trap nets 0.1 (below normal) 0.3 – 1.2 0.07 lb 1
1997-06-23 Standard gill nets 5.2 (normal) 1.0 – 10.3 0.14 lb 31
1997-06-23 Special trap nets 0.7 0.13 lb 2
1990-06-25 Standard trap nets 0.1 (below normal) 0.3 – 1.2 0.10 lb 1
1990-06-25 Standard gill nets 16.5 (above normal) 1.0 – 10.3 0.15 lb 66
1994-06-28 Standard trap nets 0.9 (normal) 0.3 – 1.2 0.15 lb 8
1994-06-28 Survey seining 0.5 0.09 lb 1
1994-06-28 Standard gill nets 6.8 (normal) 1.0 – 10.3 0.18 lb 41
2002-06-24 Standard gill nets 5.0 (normal) 1.0 – 10.3 0.18 lb 30

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1973-06-25 Standard trap nets 0.3 (normal) 0.3 – 1.4 2.47 lb 3
1997-06-23 Standard trap nets 2.0 (above normal) 0.3 – 1.4 0.25 lb 16
1990-06-25 Standard trap nets 1.4 (normal) 0.3 – 1.4 0.53 lb 11
1994-06-28 Survey seining 8.5 17
1994-06-28 Standard gill nets 0.3 (below normal) 0.4 – 1.6 1.80 lb 2
1994-06-28 Standard trap nets 1.2 (normal) 0.3 – 1.4 0.31 lb 11
2002-06-24 Standard trap nets 0.9 (normal) 0.3 – 1.4 0.47 lb 8

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1973-06-25 Standard gill nets 4.3 (above normal) 0.5 – 2.3 4.32 lb 17
1973-06-25 Standard trap nets 1.1 (above normal) 0.3 – 0.5 4.18 lb 11
1997-06-23 Standard gill nets 0.5 (normal) 0.5 – 2.3 3.84 lb 3
1990-06-25 Standard gill nets 0.3 (below normal) 0.5 – 2.3 4.40 lb 1
1994-06-28 Standard gill nets 0.8 (normal) 0.5 – 2.3 5.08 lb 5

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1973-06-25 Standard trap nets 7.3 (above normal) 0.8 – 4.0 0.27 lb 73
1997-06-23 Standard gill nets 1.3 (normal) 1.0 – 3.9 0.15 lb 8
1997-06-23 Standard trap nets 1.1 (normal) 0.8 – 4.0 0.26 lb 9
1990-06-25 Standard gill nets 1.3 (normal) 1.0 – 3.9 0.18 lb 5
1990-06-25 Standard trap nets 2.9 (normal) 0.8 – 4.0 0.30 lb 23
1994-06-28 Standard gill nets 1.3 (normal) 1.0 – 3.9 0.16 lb 8
1994-06-28 Standard trap nets 0.1 (below normal) 0.8 – 4.0 0.10 lb 1
2002-06-24 Standard gill nets 1.7 (normal) 1.0 – 3.9 0.13 lb 10
2002-06-24 Standard trap nets 0.4 (below normal) 0.8 – 4.0 0.31 lb 4

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1973-06-25 Standard gill nets 0.8 (below normal) 2.1 – 15.8 0.27 lb 3
1973-06-25 Standard trap nets 28.5 (above normal) 2.7 – 13.5 0.39 lb 285
1997-06-23 Standard gill nets 3.3 (normal) 2.1 – 15.8 0.23 lb 20
1997-06-23 Special trap nets 2.7 0.13 lb 8
1997-06-23 Standard trap nets 13.4 (normal) 2.7 – 13.5 0.17 lb 107
1990-06-25 Standard gill nets 16.5 (above normal) 2.1 – 15.8 0.14 lb 66
1990-06-25 Standard trap nets 99.8 (above normal) 2.7 – 13.5 0.14 lb 798
1994-06-28 Standard gill nets 9.3 (normal) 2.1 – 15.8 0.24 lb 56
1994-06-28 Standard trap nets 18.2 (above normal) 2.7 – 13.5 0.22 lb 164
2002-06-24 Standard gill nets 33.3 (above normal) 2.1 – 15.8 0.13 lb 200
2002-06-24 Standard trap nets 11.9 (normal) 2.7 – 13.5 0.22 lb 107

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1973-06-25 Standard trap nets 20.9 (above normal) 1.5 – 6.8 0.18 lb 209
1997-06-23 Special trap nets 3.3 0.03 lb 10
1997-06-23 Standard trap nets 2.8 (normal) 1.5 – 6.8 0.07 lb 22
1990-06-25 Standard trap nets 10.0 (above normal) 1.5 – 6.8 0.03 lb 80
1994-06-28 Survey seining 10.5 0.05 lb 21
1994-06-28 Standard trap nets 1.6 (normal) 1.5 – 6.8 0.08 lb 14
2002-06-24 Standard gill nets 0.3 0.21 lb 2
2002-06-24 Standard trap nets 2.0 (normal) 1.5 – 6.8 0.07 lb 18

Rock Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1997-06-23 Special trap nets 0.3 0.35 lb 1

Golden Shiner

Date Gear CPUE Normal Range Avg Weight Total Catch
1997-06-23 Standard trap nets 0.1 (normal) 0.1 – 0.5 0.20 lb 1

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1997-06-23 Standard gill nets 0.5 (normal) 0.3 – 1.7 2.69 lb 3
1990-06-25 Standard gill nets 0.5 (normal) 0.3 – 1.7 2.15 lb 2
1994-06-28 Standard gill nets 0.7 (normal) 0.3 – 1.7 1.90 lb 4

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-06-24 Standard trap nets 0.1 (below normal) 0.6 – 2.6 0.59 lb 1

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Fish Species

Species known to inhabit Trillium. Click any species for a full fishing guide.

Black CrappieBluegillBrown BullheadLargemouth BassNorthern PikePumpkinseedYellow BullheadYellow Perch

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Data sourced from Minnesota DNR Division of Fish and Wildlife. Last verified: March 19, 2026. Learn how we maintain this data.