Sylvan

Cass County, Minnesota — DOW #11024600

34 Surveys
112.85
Acres
26 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 Sylvan. Green = above normal range. Red = below normal.

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1966-08-17 Standard gill nets 5.0 (normal) 4.8 – 12.5 2.06 lb 10
1966-08-17 Standard trap nets 2.0 0.67 lb 10
1994-06-16 Standard gill nets 7.3 (normal) 4.8 – 12.5 2.81 lb 29
1994-06-16 Standard trap nets 1.2 2.73 lb 11

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1966-08-17 Standard gill nets 3.0 (normal) 1.0 – 4.8 0.32 lb 6
1966-08-17 Standard trap nets 20.0 (above normal) 0.8 – 4.3 0.33 lb 100
1994-06-16 Standard gill nets 2.8 (normal) 1.0 – 4.8 0.24 lb 11
1994-06-16 Standard trap nets 1.2 (normal) 0.8 – 4.3 0.25 lb 11

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1966-08-17 Standard gill nets 2.0 (normal) 0.5 – 2.3 2.45 lb 4
1966-08-17 Standard trap nets 0.6 (normal) 0.3 – 0.8 3.63 lb 3

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1966-08-17 Standard trap nets 67.6 (above normal) 8.3 – 50.1 0.27 lb 338
1966-08-17 Standard gill nets 0.5 0.20 lb 1
1994-06-16 Survey seining 67.0 0.08 lb 201
1994-06-16 Standard gill nets 3.0 0.07 lb 12
1994-06-16 Standard trap nets 83.4 (above normal) 8.3 – 50.1 0.09 lb 751

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1966-08-17 Standard trap nets 51.0 (above normal) 0.3 – 2.8 0.19 lb 255
1966-08-17 Standard gill nets 139.5 (above normal) 2.0 – 21.5 0.27 lb 279
1994-06-16 Standard trap nets 1.1 (normal) 0.3 – 2.8 0.11 lb 10
1994-06-16 Survey seining 4.3 0.01 lb 13
1994-06-16 Standard gill nets 6.5 (normal) 2.0 – 21.5 0.12 lb 26

Rock Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1966-08-17 Standard trap nets 0.4 (below normal) 0.5 – 1.5 0.85 lb 2

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1966-08-17 Standard trap nets 0.2 (below normal) 0.5 – 3.3 0.60 lb 1
1994-06-16 Standard gill nets 0.3 (below normal) 0.5 – 4.3 0.65 lb 1

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1966-08-17 Standard gill nets 7.0 (normal) 1.9 – 12.1 0.29 lb 14
1966-08-17 Standard trap nets 209.8 (above normal) 2.1 – 10.5 0.30 lb 1049
1994-06-16 Standard gill nets 26.8 (above normal) 1.9 – 12.1 0.37 lb 107
1994-06-16 Standard trap nets 44.7 (above normal) 2.1 – 10.5 0.38 lb 402

BCS

Date Gear CPUE Normal Range Total Catch
1994-06-16 Survey seining 65.0 195

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-06-16 Survey seining 5.0 0.05 lb 15
1994-06-16 Standard gill nets 1.8 (normal) 0.3 – 1.8 1.03 lb 7
1994-06-16 Standard trap nets 0.2 (below normal) 0.3 – 1.4 1.53 lb 2

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1994-06-16 Standard gill nets 1.0 (normal) 0.5 – 3.0 3.51 lb 4
1994-06-16 Standard trap nets 0.1 (below normal) 0.3 – 0.5 6.83 lb 1

Johnny Darter

Date Gear CPUE Normal Range Total Catch
1994-06-16 Survey seining 1.3 4

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Fish Species

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

Black CrappieBluegillBrown BullheadLargemouth BassNorthern PikeWalleyeYellow 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.