Sylvan

Morrison County, Minnesota — DOW #49003600

219 Surveys

Invasive Species Alert

Sylvan has confirmed populations of:

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321.49
Acres
31 ft
Max Depth
0
18
Fish Species
2
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.

Black Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard trap nets 0.8 (normal) 0.5 – 11.3 0.57 lb 3
1990-06-11 Standard gill nets 1.3 (normal) 1.0 – 38.0 0.44 lb 8
2002-06-10 Standard gill nets 0.1 (below normal) 1.0 – 38.0 0.43 lb 1
2002-06-10 Standard trap nets 0.1 (below normal) 0.5 – 11.3 0.89 lb 1
1996-06-10 Standard trap nets 0.4 (below normal) 0.5 – 11.3 0.78 lb 5
1985-06-10 Standard gill nets 0.2 (below normal) 1.0 – 38.0 0.80 lb 1

Brown Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard trap nets 1.5 (normal) 0.5 – 4.3 0.72 lb 6
1990-06-11 Standard gill nets 0.5 (below normal) 0.7 – 4.5 0.93 lb 3
2002-06-10 Standard gill nets 0.1 (below normal) 0.7 – 4.5 0.87 lb 1
2002-06-10 Standard trap nets 0.6 (normal) 0.5 – 4.3 0.97 lb 7
2008-06-09 Standard trap nets 0.2 (below normal) 0.5 – 4.3 1.11 lb 2
1996-06-10 Standard trap nets 0.8 (normal) 0.5 – 4.3 0.88 lb 10
2014-06-12 Standard trap nets 0.2 (below normal) 0.5 – 4.3 1.22 lb 2
2024-04-08 Standard trap nets 0.2 (below normal) 0.5 – 4.3 2
2024-04-08 Special trap nets 0.1 2
1985-06-10 Standard trap nets 1.5 (normal) 0.5 – 4.3 1.07 lb 6

Yellow Perch

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard trap nets 1.3 (normal) 0.5 – 3.3 0.20 lb 5
1990-06-11 Standard gill nets 12.2 (normal) 3.8 – 22.8 0.15 lb 73
2002-06-10 Standard gill nets 13.5 (normal) 3.8 – 22.8 0.15 lb 108
2002-06-10 Standard trap nets 0.7 (normal) 0.5 – 3.3 0.22 lb 8
2008-06-09 Standard trap nets 0.3 (below normal) 0.5 – 3.3 0.38 lb 4
2008-06-09 Standard gill nets 8.3 (normal) 3.8 – 22.8 0.19 lb 66
1996-06-10 Standard gill nets 10.3 (normal) 3.8 – 22.8 0.25 lb 82
1996-06-10 Survey seining 1.7 5
1996-06-10 Standard trap nets 2.2 (normal) 0.5 – 3.3 0.18 lb 26
2014-06-12 Standard trap nets 0.3 (below normal) 0.5 – 3.3 0.14 lb 4
2024-04-08 Standard electrofishing 3.2 0.25 lb 3
2024-04-08 Standard trap nets 0.5 (normal) 0.5 – 3.3 0.28 lb 6
2024-04-08 Special trap nets 0.5 0.14 lb 9
1985-06-10 Standard trap nets 1.0 (normal) 0.5 – 3.3 0.20 lb 4
1985-06-10 Standard gill nets 5.0 (normal) 3.8 – 22.8 0.17 lb 30

Yellow Bullhead

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard gill nets 7.0 (normal) 0.6 – 7.0 0.40 lb 42
1990-06-11 Standard trap nets 15.3 (above normal) 1.4 – 5.0 0.37 lb 61
2002-06-10 Standard trap nets 7.1 (above normal) 1.4 – 5.0 0.69 lb 85
2002-06-10 Standard gill nets 5.1 (normal) 0.6 – 7.0 0.53 lb 41
2008-06-09 Standard gill nets 5.5 (normal) 0.6 – 7.0 0.66 lb 44
2008-06-09 Standard trap nets 4.4 (normal) 1.4 – 5.0 0.76 lb 53
1996-06-10 Standard trap nets 6.5 (above normal) 1.4 – 5.0 0.86 lb 78
1996-06-10 Standard gill nets 3.9 (normal) 0.6 – 7.0 0.80 lb 31
2014-06-12 Standard trap nets 0.3 (below normal) 1.4 – 5.0 1.09 lb 3
2024-04-08 Standard trap nets 0.8 (below normal) 1.4 – 5.0 10
2024-04-08 Special trap nets 0.3 7
1985-06-10 Standard gill nets 5.5 (normal) 0.6 – 7.0 0.37 lb 33
1985-06-10 Standard trap nets 2.5 (normal) 1.4 – 5.0 0.60 lb 10

Northern Pike

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard gill nets 2.2 (below normal) 3.6 – 11.0 1.50 lb 13
1990-06-11 Standard trap nets 0.3 0.30 lb 1
2002-06-10 Standard gill nets 4.3 (normal) 3.6 – 11.0 2.02 lb 34
2002-06-10 Standard trap nets 0.3 1.14 lb 4
2008-06-09 Standard gill nets 3.5 (below normal) 3.6 – 11.0 2.37 lb 28
1996-06-10 Special electrofishing 8.9 0.56 lb 9
1996-06-10 Standard gill nets 3.8 (normal) 3.6 – 11.0 2.04 lb 30
1996-06-10 Standard trap nets 0.4 1.31 lb 5
2014-06-12 Standard trap nets 0.8 2.00 lb 9
2024-04-08 Standard electrofishing 8.6 1.96 lb 8
2024-04-08 Standard trap nets 0.2 1.33 lb 2
2024-04-08 Special trap nets 2.4 1.81 lb 48
1985-06-10 Standard gill nets 1.8 (below normal) 3.6 – 11.0 2.90 lb 11

GLR

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard gill nets 0.2 1.00 lb 1
1990-06-11 Standard trap nets 1.0 5.12 lb 4
1985-06-10 Standard gill nets 0.3 3.70 lb 2

Rock Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard gill nets 1.2 (normal) 0.2 – 1.4 0.10 lb 7
2002-06-10 Standard gill nets 1.0 (normal) 0.2 – 1.4 0.24 lb 8
2002-06-10 Standard trap nets 1.3 (above normal) 0.3 – 1.0 0.23 lb 15
2008-06-09 Standard gill nets 0.5 (normal) 0.2 – 1.4 0.21 lb 4
2008-06-09 Standard trap nets 1.0 (normal) 0.3 – 1.0 0.31 lb 12
1996-06-10 Standard gill nets 0.5 (normal) 0.2 – 1.4 0.12 lb 4
1996-06-10 Standard trap nets 1.4 (above normal) 0.3 – 1.0 0.16 lb 17
2014-06-12 Standard trap nets 0.1 (below normal) 0.3 – 1.0 0.06 lb 1
2024-04-08 Standard trap nets 0.3 (below normal) 0.3 – 1.0 0.18 lb 3
2024-04-08 Special trap nets 2.6 0.07 lb 53
1985-06-10 Standard gill nets 0.7 (normal) 0.2 – 1.4 0.15 lb 4
1985-06-10 Standard trap nets 1.0 (normal) 0.3 – 1.0 0.20 lb 4

Shorthead Redhorse

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard gill nets 4.7 (above normal) 0.2 – 2.2 1.28 lb 28
1990-06-11 Standard trap nets 0.5 (normal) 0.2 – 1.0 1.50 lb 2
2002-06-10 Standard gill nets 0.4 (normal) 0.2 – 2.2 1.60 lb 3
2002-06-10 Standard trap nets 0.2 (below normal) 0.2 – 1.0 1.85 lb 2
2008-06-09 Standard gill nets 0.3 (normal) 0.2 – 2.2 2.33 lb 2
2008-06-09 Standard trap nets 0.3 (normal) 0.2 – 1.0 1.95 lb 3
1996-06-10 Standard gill nets 1.1 (normal) 0.2 – 2.2 3.28 lb 9
1996-06-10 Standard trap nets 0.8 (normal) 0.2 – 1.0 2.83 lb 10
2014-06-12 Standard trap nets 0.2 (below normal) 0.2 – 1.0 2.90 lb 2
2024-04-08 Special trap nets 0.1 2
1985-06-10 Standard gill nets 2.7 (above normal) 0.2 – 2.2 1.60 lb 16
1985-06-10 Standard trap nets 1.3 (above normal) 0.2 – 1.0 3.80 lb 5

Walleye

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard gill nets 0.5 (below normal) 1.0 – 3.2 2.03 lb 3
1990-06-11 Standard trap nets 0.3 (below normal) 0.3 – 1.1 2.50 lb 1
2002-06-10 Standard gill nets 0.1 (below normal) 1.0 – 3.2 1.09 lb 1
2002-06-10 Standard trap nets 0.3 (below normal) 0.3 – 1.1 3.30 lb 3
2008-06-09 Standard gill nets 0.1 (below normal) 1.0 – 3.2 2.59 lb 1
1996-06-10 Special electrofishing 35.6 36
1996-06-10 Standard gill nets 0.1 (below normal) 1.0 – 3.2 2.38 lb 1
2014-06-12 Standard trap nets 0.2 (below normal) 0.3 – 1.1 1.74 lb 2
2024-04-08 Special trap nets 0.1 1.89 lb 1
2024-04-08 Standard electrofishing 17.2 2.40 lb 16
1985-06-10 Standard gill nets 0.3 (below normal) 1.0 – 3.2 1.00 lb 2

Bluegill

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard gill nets 5.7 0.23 lb 34
1990-06-11 Standard trap nets 31.0 (above normal) 4.0 – 28.1 0.11 lb 124
2020-06-09 Special electrofishing 588.4 0.16 lb 253
2002-06-10 Standard gill nets 9.6 0.04 lb 77
2002-06-10 Standard trap nets 69.5 (above normal) 4.0 – 28.1 0.06 lb 834
2008-06-09 Standard gill nets 1.3 0.17 lb 10
2008-06-09 Standard trap nets 24.6 (normal) 4.0 – 28.1 0.21 lb 295
1996-06-10 Standard gill nets 0.1 0.19 lb 1
1996-06-10 Survey seining 76.7 230
1996-06-10 Standard trap nets 35.6 (above normal) 4.0 – 28.1 0.17 lb 427
2014-06-12 Standard trap nets 19.8 (normal) 4.0 – 28.1 0.21 lb 238
2024-04-08 Standard trap nets 24.5 (normal) 4.0 – 28.1 0.21 lb 294
2024-04-08 Special trap nets 8.0 0.29 lb 160
1985-06-10 Standard gill nets 5.3 0.15 lb 32
1985-06-10 Standard trap nets 103.5 (above normal) 4.0 – 28.1 0.16 lb 414

Pumpkinseed

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard gill nets 0.5 0.17 lb 3
1990-06-11 Standard trap nets 9.0 (above normal) 1.5 – 6.8 0.13 lb 36
2002-06-10 Standard gill nets 1.9 0.10 lb 15
2002-06-10 Standard trap nets 7.0 (above normal) 1.5 – 6.8 0.15 lb 84
2008-06-09 Standard gill nets 0.3 0.10 lb 2
2008-06-09 Standard trap nets 4.8 (normal) 1.5 – 6.8 0.19 lb 57
1996-06-10 Standard gill nets 0.3 0.23 lb 2
1996-06-10 Survey seining 0.3 1
1996-06-10 Standard trap nets 6.6 (normal) 1.5 – 6.8 0.13 lb 79
2014-06-12 Standard trap nets 0.9 (below normal) 1.5 – 6.8 0.19 lb 11
2024-04-08 Standard trap nets 3.2 (normal) 1.5 – 6.8 0.16 lb 38
2024-04-08 Special trap nets 0.8 0.19 lb 17
1985-06-10 Standard gill nets 0.5 0.17 lb 3
1985-06-10 Standard trap nets 9.5 (above normal) 1.5 – 6.8 0.13 lb 38

Bowfin

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard gill nets 0.2 (below normal) 0.2 – 0.7 4.50 lb 1
1990-06-11 Standard trap nets 1.0 (normal) 0.3 – 1.2 3.75 lb 4
2002-06-10 Standard gill nets 0.3 (normal) 0.2 – 0.7 5.00 lb 2
2002-06-10 Standard trap nets 1.5 (above normal) 0.3 – 1.2 4.80 lb 18
2008-06-09 Standard gill nets 0.1 (below normal) 0.2 – 0.7 3.83 lb 1
2008-06-09 Standard trap nets 0.5 (normal) 0.3 – 1.2 5.04 lb 6
1996-06-10 Standard gill nets 0.3 (normal) 0.2 – 0.7 4.91 lb 2
1996-06-10 Standard trap nets 0.7 (normal) 0.3 – 1.2 7.96 lb 8
2014-06-12 Standard trap nets 1.3 (above normal) 0.3 – 1.2 4.10 lb 15
2024-04-08 Standard trap nets 0.4 (normal) 0.3 – 1.2 5
2024-04-08 Special trap nets 0.8 16
1985-06-10 Standard gill nets 0.5 (normal) 0.2 – 0.7 2.73 lb 3
1985-06-10 Standard trap nets 1.0 (normal) 0.3 – 1.2 6.38 lb 4

White Sucker

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard gill nets 2.3 (normal) 0.7 – 3.5 2.09 lb 14
1990-06-11 Standard trap nets 0.8 (normal) 0.2 – 1.4 3.00 lb 3
2002-06-10 Standard trap nets 0.7 (normal) 0.2 – 1.4 2.78 lb 8
2002-06-10 Standard gill nets 3.4 (normal) 0.7 – 3.5 2.14 lb 27
2008-06-09 Standard gill nets 0.8 (normal) 0.7 – 3.5 2.16 lb 6
2008-06-09 Standard trap nets 0.8 (normal) 0.2 – 1.4 2.99 lb 9
1996-06-10 Standard trap nets 0.8 (normal) 0.2 – 1.4 3.56 lb 10
1996-06-10 Standard gill nets 3.5 (normal) 0.7 – 3.5 2.10 lb 28
2014-06-12 Standard trap nets 1.3 (normal) 0.2 – 1.4 2.83 lb 15
2024-04-08 Standard trap nets 0.2 (below normal) 0.2 – 1.4 2.95 lb 2
2024-04-08 Special trap nets 0.1 1
1985-06-10 Standard gill nets 1.0 (normal) 0.7 – 3.5 2.23 lb 6
1985-06-10 Standard trap nets 1.8 (above normal) 0.2 – 1.4 3.43 lb 7

Black Crappie

Date Gear CPUE Normal Range Avg Weight Total Catch
1990-06-11 Standard gill nets 3.0 (normal) 1.0 – 10.5 0.17 lb 18
1990-06-11 Standard trap nets 0.8 (normal) 0.7 – 4.3 0.20 lb 3
2002-06-10 Standard gill nets 1.3 (normal) 1.0 – 10.5 0.20 lb 10
2002-06-10 Standard trap nets 1.5 (normal) 0.7 – 4.3 0.28 lb 18
2008-06-09 Standard electrofishing 2.4 0.48 lb 3
2008-06-09 Standard gill nets 0.6 (below normal) 1.0 – 10.5 0.19 lb 5
2008-06-09 Standard trap nets 2.6 (normal) 0.7 – 4.3 0.31 lb 31
1996-06-10 Standard gill nets 1.4 (normal) 1.0 – 10.5 0.11 lb 11
1996-06-10 Standard trap nets 1.8 (normal) 0.7 – 4.3 0.22 lb 21
2014-06-12 Standard trap nets 0.7 (below normal) 0.7 – 4.3 0.30 lb 8
2024-04-08 Standard trap nets 0.6 (below normal) 0.7 – 4.3 0.20 lb 7
2024-04-08 Special trap nets 4.5 0.40 lb 90
1985-06-10 Standard gill nets 0.8 (below normal) 1.0 – 10.5 0.24 lb 5
1985-06-10 Standard trap nets 4.5 (above normal) 0.7 – 4.3 0.21 lb 18

Smallmouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2020-06-09 Standard electrofishing 6.5 0.45 lb 7
2014-06-12 Standard electrofishing 5.0 0.07 lb 5
2024-04-08 Standard electrofishing 19.4 2.47 lb 18

Largemouth Bass

Date Gear CPUE Normal Range Avg Weight Total Catch
2020-06-09 Standard electrofishing 30.9 0.72 lb 33
2002-06-10 Standard gill nets 0.1 (below normal) 0.3 – 0.9 2.29 lb 1
2002-06-10 Standard trap nets 0.3 (normal) 0.2 – 0.6 0.18 lb 4
2008-06-09 Standard electrofishing 48.4 0.84 lb 61
2008-06-09 Standard gill nets 0.1 (below normal) 0.3 – 0.9 1.17 lb 1
2008-06-09 Standard trap nets 0.2 (below normal) 0.2 – 0.6 0.66 lb 2
1996-06-10 Special electrofishing 22.7 0.34 lb 23
1996-06-10 Survey seining 27.3 82
1996-06-10 Standard trap nets 0.7 (above normal) 0.2 – 0.6 1.19 lb 8
2014-06-12 Standard electrofishing 49.0 0.88 lb 49
2014-06-12 Standard trap nets 0.3 (normal) 0.2 – 0.6 1.45 lb 3
2024-04-08 Standard trap nets 0.3 (normal) 0.2 – 0.6 1.05 lb 3
2024-04-08 Special trap nets 1.0 2.65 lb 20

Burbot

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-06-10 Standard gill nets 0.1 (normal) 0.1 – 0.2 1.00 lb 1
1996-06-10 Standard gill nets 0.1 (normal) 0.1 – 0.2 0.74 lb 1

SLR

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-06-10 Standard trap nets 0.2 4.72 lb 2
2002-06-10 Standard gill nets 0.1 3.14 lb 1
2008-06-09 Standard trap nets 0.2 4.68 lb 2
1996-06-10 Standard trap nets 0.8 4.18 lb 9
1996-06-10 Standard gill nets 0.1 3.97 lb 1
2014-06-12 Standard trap nets 0.2 5.71 lb 2
2024-04-08 Special trap nets 0.1 2
1985-06-10 Standard trap nets 0.8 5.33 lb 3
1985-06-10 Standard gill nets 0.3 0.50 lb 2

Golden Shiner

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-06-10 Standard gill nets 0.1 (below normal) 0.3 – 4.8 1
2002-06-10 Standard trap nets 0.1 (below normal) 0.3 – 0.8 0.05 lb 1
1996-06-10 Survey seining 13.0 39
2024-04-08 Standard trap nets 0.1 (below normal) 0.3 – 0.8 0.07 lb 1

GRR

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-06-10 Standard gill nets 1.6 2.26 lb 13
2002-06-10 Standard trap nets 0.5 2.04 lb 6
1996-06-10 Standard trap nets 0.1 5.84 lb 1
2024-04-08 Standard trap nets 0.3 4.62 lb 4
2024-04-08 Special trap nets 0.1 4.00 lb 1

Common Carp

Date Gear CPUE Normal Range Avg Weight Total Catch
2002-06-10 Standard trap nets 0.3 (normal) 0.3 – 1.5 9.60 lb 4
2008-06-09 Standard trap nets 0.6 (normal) 0.3 – 1.5 3.22 lb 7
1996-06-10 Standard trap nets 0.2 (below normal) 0.3 – 1.5 7.13 lb 2
2014-06-12 Standard trap nets 3.9 (above normal) 0.3 – 1.5 5.11 lb 47
2024-04-08 Standard trap nets 0.9 (normal) 0.3 – 1.5 8.17 lb 11
2024-04-08 Special trap nets 0.2 11.02 lb 4

Hybrid Sunfish

Date Gear CPUE Normal Range Avg Weight Total Catch
2008-06-09 Standard trap nets 0.3 0.25 lb 4
1996-06-10 Survey seining 0.3 1
1996-06-10 Standard trap nets 0.4 0.26 lb 5
2014-06-12 Standard trap nets 0.3 0.21 lb 4
2024-04-08 Standard trap nets 0.5 0.34 lb 6
2024-04-08 Special trap nets 0.1 2
1985-06-10 Standard gill nets 0.8 0.12 lb 5
1985-06-10 Standard trap nets 1.3 0.14 lb 5

CNM

Date Gear CPUE Normal Range Total Catch
1996-06-10 Survey seining 0.3 1

BNS

Date Gear CPUE Normal Range Total Catch
1996-06-10 Survey seining 1.0 3

BKF

Date Gear CPUE Normal Range Total Catch
1996-06-10 Survey seining 1.0 3

Common Shiner

Date Gear CPUE Normal Range Avg Weight Total Catch
1996-06-10 Standard gill nets 0.1 0.09 lb 1

CRP

Date Gear CPUE Normal Range Avg Weight Total Catch
1985-06-10 Standard trap nets 0.3 6.10 lb 1

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Fish Species

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

Black CrappieBluegillBowfin (Dogfish)Brown BullheadCommon CarpGreater RedhorseHybrid SunfishLargemouth BassNorthern PikePumpkinseedRock BassShorthead RedhorseSilver RedhorseSmallmouth BassWalleyeWhite SuckerYellow 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.