Fisheries Lake Survey

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Name: Little Boy

Nearest Town: Longville
Primary County: Cass
Survey Date: 07/02/2012
Inventory Number: 11016700
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Public Access Information

Ownership Type Description
DNR Concrete On SW corner of lake off of County Rd 54


Fishing Regulations:

Special and/or Experimental Fishing Regulations exist on this lake. Please refer to our online Minnesota Fishing Regulations.

Lake Characteristics

Lake Area (acres): 1451.67
Littoral Area (acres): 466
Maximum Depth (ft): 74
Water Clarity (ft): 8.9 (5-11.7)

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


Did you know? The DNR Section of Fisheries has a full-time staff of 285. There are 4 regional and 28 area fisheries offices.

Fish Sampled for the 2012 Survey Year

Species

Gear Used

Number of fish per net

Average Fish Weight (lbs)

Normal Range (lbs)

Caught

Normal Range

Black Crappie Trap net 0.18 0.3 - 1.7 0.52 0.3 - 0.6
Gill net 0.17 0.2 - 1.1 1.14 0.2 - 0.5
Bluegill Trap net 13.00 3.7 - 42.9 0.12 0.1 - 0.2
Gill net 1.92 N/A 0.21 N/A
Bowfin (dogfish) Trap net 2.18 0.3 - 1.1 5.73 3.9 - 5.1
Brown Bullhead Trap net 0.09 0.3 - 1.7 0.53 0.7 - 1.1
Largemouth Bass Trap net 0.36 0.4 - 1.4 0.18 0.3 - 0.7
Gill net 0.08 0.3 - 1.2 0.09 0.6 - 1.0
Muskellunge Gill net 0.17 0.1 - 0.3 5.12 3.1 - 5.3
Northern Pike Trap net 0.36 N/A 0.83 N/A
Gill net 9.83 3.0 - 7.9 2.16 1.7 - 2.8
Pumpkinseed Trap net 2.18 1.6 - 6.9 0.17 0.1 - 0.3
Gill net 1.42 N/A 0.08 N/A
Rock Bass Trap net 1.00 0.7 - 3.3 0.43 0.2 - 0.5
Gill net 6.50 1.0 - 6.6 0.55 0.3 - 0.5
Smallmouth Bass Gill net 1.50 0.2 - 0.9 1.99 0.9 - 1.8
Tullibee (cisco) Gill net 2.75 0.5 - 5.2 1.19 0.4 - 1.0
Walleye Trap net 0.45 0.3 - 0.9 2.44 1.0 - 2.2
Gill net 12.00 4.0 - 9.6 0.86 1.1 - 1.9
White Sucker Gill net 1.50 1.0 - 3.5 1.51 1.5 - 2.3
Yellow Perch Trap net 0.45 0.7 - 3.7 0.14 0.1 - 0.2
Gill net 26.67 7.1 - 33.9 0.13 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 2012 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 0 1 1 2 0 0 0 0 4
bluegill 102 64 0 0 0 0 0 0 166
bowfin (dogfish) 0 0 0 0 0 10 14 0 24
brown bullhead 0 0 1 0 0 0 0 0 1
largemouth bass 4 0 1 0 0 0 0 0 5
muskellunge 0 0 0 0 0 0 1 1 2
northern pike 0 0 2 12 43 44 15 6 122
pumpkinseed 29 12 0 0 0 0 0 0 41
rock bass 9 45 35 0 0 0 0 0 89
smallmouth bass 0 0 0 10 8 0 0 0 18
tullibee (cisco) 0 1 0 26 6 0 0 0 33
walleye 0 15 24 58 48 4 0 0 149
white sucker 0 2 3 3 10 0 0 0 18
yellow perch 113 200 11 1 0 0 0 0 325


For the record, the largest Shovelnose Sturgeon taken in Minnesota weighed 5 lbs., 9 oz. and was caught:

    Where: Mississippi River near Red Wing, Goodhue County
    When: 6/4/07
    Statistics: 36" length, 11 7/8" girth

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year Species Size Number Pounds
2013 Walleye fry 500,752 4.0
2012 Walleye fry 643,470 5.3
2011 Walleye fry 500,000 3.9
2010 Walleye fry 501,866 3.9
2009 Walleye fry 500,000 4.2
2008 Walleye fry 881,637 7.3
2006 Walleye fry 800,000 8.0

Stocking Notes
1 - indicates fish purchased and stocked by private citizens and sporting groups.
2 - indicates fish purchased by the DNR for stocking.

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

These fish consumption guidelines help people make choices about which fish to eat and how often. Following the guidelin es enables people to reduce their exposure to contaminants while still enjoying the many benefits from fish.

Pregnant Women, Women who may become pregnant and Children under age 15

LAKE NAME
County, DOWID
Species Meal Advice Contaminants
Unrestricted 1 meal/week 1 meal/month Do not eat
LITTLE BOY
Cass Co., 11016700
Bluegill Sunfish All sizes        
Largemouth Bass   All sizes     Mercury
Northern Pike   All sizes     Mercury
Smallmouth Bass   All sizes     Mercury
Walleye   All sizes     Mercury
White Sucker   All sizes     Mercury
Yellow Perch   All sizes     Mercury

General Population

LAKE NAME
County, DOWID
Species Meal Advice Contaminants
Unrestricted 1 meal/week 1 meal/month Do not eat
LITTLE BOY
Cass Co., 11016700
Bluegill Sunfish All sizes        
Northern Pike All sizes        
Walleye   All sizes     Mercury
White Sucker All sizes        
Yellow Perch All sizes        

DOWID - MN DNR, Division of Waters' lake ID number.

Contaminants listed were measured at levels that trigger advice to limit consumption.

Listing of consumption guidelines do not imply the fish are legal to keep, MN DNR fishing regulations should be consulted.

Dioxin
Mercury
PCBS - Polychlorinated biphenyls
PFOS - Perfluorooctane sulfanate


Status of the Fishery (as of 07/02/2012)

Little Boy Lake (DOW # 11 0167) is a 1,372 acre lake located about two miles south of Longville, MN. Little Boy Lake is connected to Wabedo Lake by a navigable channel. Little Boy Lake has 10.02 miles of shoreline, and a maximum depth of 74 ft. The Minnesota Department of Natural Resources (MNDNR) has classified Minnesota lakes into 43 different classes based on physical, chemical, and other characteristics. Little Boy Lake is in Lake Class 22; lakes in the class are generally clear, large, deep lakes with a low percentage of shallow water area and have very irregularly shaped shorelines with many bays or points. The lake is primarily managed for muskellunge, northern pike and walleye, and secondarily for smallmouth bass, largemouth bass, bluegill, black crappie, cisco (tullibee), and yellow perch. The abundance and size of muskellunge has not been recently assessed. Spring sampling with large traps nets is needed to properly sample the population, and this was last completed in 2000. Northern pike numbers are above average when compared to similar lakes in the Walker Fisheries Area, with lengths of sampled pike ranging from 11 to 36 inches. Walleye numbers are also above average. The average walleye sampled in 2012 was 14 inches long with fish up to 23 inches present in the sample. Low numbers of smallmouth and largemouth bass were caught in gill nets, trap nets and spring electrofishing. Smallmouth bass up to 18 inches and largemouth bass up to 16 inches were found. Bluegill numbers are within the range of other Class 22 lakes. Bluegill in the summer sample averaged 5 inches long with fish up to 9 inches observed. Sizes of black crappie sampled in gill and trap nets were good with fish averaging 11 inches. Yellow perch abundance has declined since 2005 but is still above average compared to similar lakes. Yellow perch up to 12 inches were caught and averaged 6.5 inches. Other fish species that are present include bowfin (dogfish), brown bullhead, pumpkinseed sunfish, rock bass and white sucker. People can have significant impacts on lakes and the fish populations they support. Harvest, lakeshore development, removal of shoreline vegetation, and introductions of invasive species can all adversely affect fish populations. Currently the only aquatic invasive species (AIS) that has been identified in Little Boy Lake is the rusty crayfish. AIS are moved from infested to non-infested waters by anglers, boaters, and lake shore owners and can adversely impact lakes and fish populations. To avoid spreading AIS, lake users are required to remove all aquatic plants or animals from their watercraft and drain all water from their boat before leaving the access. If you suspect an infestation of an invasive species in this lake, save a specimen and report it to a local natural resource office. Additional information on all of these topics can be found on the DNR website (www.dnr.state.mn.us) or by contacting the Walker Area Fisheries office.


For more information on this lake, contact:

Area Fisheries Supervisor
07316 State Hwy 371 NW
Walker, MN 56484
Phone: (218) 547-1683
Internet: Walker Fisheries
E-Mail: Walker.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 C0107 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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