Fisheries Lake Survey

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Name: Acorn

Nearest Town: Frazee
Primary County: Becker
Survey Date: 06/24/2013
Inventory Number: 03025800
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Public Access Information

Ownership Type Description
DNR Asphalt Southeast shore of lake in section 28.


Lake Characteristics

Lake Area (acres): 153.72
Littoral Area (acres): 51
Maximum Depth (ft): 55
Water Clarity (ft): 9.4 (5.8-13)

Dominant Bottom Substrate: N/A
Abundance of Aquatic Plants: N/A
Maximum Depth of Plant Growth (ft): N/A


Did you know? Ongoing habitat improvement and maintenance work is conducted on trout streams that have publicly owned land or easements.

Fish Sampled for the 2013 Survey Year

Species

Gear Used

Number of fish per net

Average Fish Weight (lbs)

Normal Range (lbs)

Caught

Normal Range

Black Crappie Trap net 0.25 0.5 - 3.3 0.15 0.3 - 0.5
Gill net 0.17 0.5 - 2.9 0.67 0.2 - 0.5
Bluegill Trap net 49.25 5.7 - 40.5 0.28 0.1 - 0.2
Gill net 3.50 N/A 0.29 N/A
Bowfin (dogfish) Trap net 1.00 0.4 - 1.3 ND 3.0 - 4.5
Gill net 0.17 0.3 - 0.5 ND 2.7 - 4.7
Brown Bullhead Trap net 1.88 0.5 - 2.2 0.95 0.5 - 1.0
Gill net 0.17 0.5 - 2.2 0.69 0.4 - 0.9
Common Carp Trap net 0.50 0.2 - 1.0 ND 2.4 - 7.3
Golden Shiner Trap net 0.62 0.2 - 1.5 ND 0.1 - 0.2
Hybrid Sunfish Trap net 6.25 N/A 0.20 N/A
Gill net 0.50 N/A 0.31 N/A
Largemouth Bass Gill net 0.17 0.3 - 1.5 0.29 0.5 - 1.3
Northern Pike Trap net 0.25 N/A 1.26 N/A
Gill net 7.83 2.8 - 8.7 2.43 1.5 - 2.9
Pumpkinseed Trap net 6.38 1.3 - 6.3 0.21 0.1 - 0.2
Gill net 0.33 N/A 0.16 N/A
Walleye Trap net 1.25 0.2 - 0.8 2.25 0.7 - 3.3
Gill net 5.83 0.5 - 3.3 2.66 1.1 - 2.7
White Sucker Gill net 1.67 0.5 - 2.9 2.01 1.3 - 2.4
Yellow Bullhead Trap net 0.25 1.0 - 8.4 0.84 0.5 - 0.7
Yellow Perch Trap net 4.00 0.5 - 3.8 0.21 0.1 - 0.2
Gill net 263.33 1.5 - 23.0 0.18 0.1 - 0.2
Normal Ranges represent typical catches for lakes with similar physical and chemical characteristics.


Length of Selected Species (Trapnet, Gillnet) Sampled for the 2013 Survey Year

Species Number of fish caught in each category (inches)
0-5 6-8 9-11 12-14 15-19 20-24 25-29 30+ Total
black crappie 1 1 1 0 0 0 0 0 3
bluegill 35 367 2 0 0 0 0 0 415
bowfin (dogfish) 0 0 0 0 0 0 0 0 9
brown bullhead 0 0 8 8 0 0 0 0 16
common carp 0 0 0 0 0 0 0 0 4
golden shiner 0 0 0 0 0 0 0 0 5
hybrid sunfish 23 30 0 0 0 0 0 0 53
largemouth bass 0 1 0 0 0 0 0 0 1
northern pike 0 0 0 0 8 34 6 0 49
pumpkinseed 21 32 0 0 0 0 0 0 53
walleye 0 2 2 6 18 11 5 0 45
white sucker 0 2 1 0 7 0 0 0 10
yellow bullhead 0 0 1 1 0 0 0 0 2
yellow perch 83 1483 35 0 0 0 0 0 1612


For the record, the largest Rock Bass (tie) taken in Minnesota weighed 2 lbs. and was caught:

    Where: Lake Winnibigoshish, Cass County
    When: 5/10/98
    Statistics: 12.6" length, 12.4" girth

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year Species Size Number Pounds
2013 Walleye fingerlings 3,728 103.0
2011 Walleye fingerlings 3,390 112.0
2009 Walleye* fingerlings 1,398 102.0
2007 Walleye fingerlings 2,300 102.0
2005 Walleye fingerlings 2,320 90.0

Privately Stocked Fish
* indicates privately stocked fish. Private stocking includes fish purchased by the DNR for stocking and fish purchased and stocked by private citizens and sporting groups.

Stocking Fish Sizes
Fry - Newly hatched fish that are ready to be stocked usually called "swim-ups". Walleye fry are 1/3 of an inch or around 8 mm.
Fingerling - Fingerlings are one to six months old and can range from a size of one to twelve inches depending on the species. Walleye fingerlings range from three to eight inches each fall.
Yearling - Yearling fish are at least one year old. A one-year-old fish can range from three to twenty inches depending on the species. Walleye yearlings average from six to twelve inches.
Adult - Adult fish are fish that have reached maturity. Depending on the species, maturity can be reached at two years of age. Walleye reach maturity between the ages of four and six years.

Fish Consumption Guidelines

No fish consumption guidelines are available for this lake. For more information, see the "Fish Consumption Advice" pages at the Minnesota Department of Health.


Status of the Fishery (as of 06/24/2013)

Acorn Lake's fishes include most of the species popular with anglers in central Minnesota lakes. Northern Pike, Walleye, Bluegill, Largemouth Bass, Black Crappie, Yellow Perch and several species not typically sought by anglers are part of the fish community. Of these, only Walleyes require stocking in order to sustain a fishery in this lake. The others listed above have ample spawning habitat and conditions to maintain their populations in Acorn Lake.

Bluegill catches remained higher than the lake's historical average after near-historic lows during the 1990's. Bluegills are not particularly fast growing in Acorn and it takes about eight years to produce a seven inch fish. The majority of Bluegills sampled in 2013 were relatively old (older than age five), but a few younger fish were found, as well. Bluegills sampled in trap nets averaged 7.1 inches in length.

There was an excellent forage base of Yellow Perch in the lake. Northern Pike showed good growth rates. In 2013, the average sampled pike weighed 2.4 pounds and the average Walleye weighed 2.6 pounds. Catch rates for both species were near the upper end of the historical ranges for Acorn Lake.

Modest populations of Black Crappie and Largemouth Bass were present. Crappies sampled by electrofishing averaged a little over a half pound each.

As a relatively small lake, Acorn is vulnerable to overfishing. Anglers can help maintain a balanced and healthy fish community by releasing a portion of medium and larger fish and keeping smaller ones for eating.


For more information on this lake, contact:

Area Fisheries Supervisor
14583 Cty Hwy 19
Detroit Lakes, MN 56501-7121
Phone: (218) 846-8340
Internet: Detroit Lakes Fisheries
E-Mail: DetroitLakes.Fisheries@state.mn.us

Lake maps can be obtained from:

Minnesota Bookstore
660 Olive Street
St. Paul, MN 55155
(651) 297-3000 or (800) 657-3757
To order, use C2852 for the map-id.


For general DNR Information, contact:

DNR Information Center
500 Lafayette Road
St. Paul, MN 55155-4040
TDD: (651) 296-6157 or (888) MINNDNR
Internet: www.dnr.state.mn.us
E-Mail: info.dnr@state.mn.us

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