Fisheries Lake Survey

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Name: Crystal

Nearest Town: Lakeville
Primary County: Dakota
Survey Date: 05/23/2011
Inventory Number: 19002700

Public Access Information

Ownership Type Description
City Other
City Other
City Concrete


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): 288.63
Littoral Area (acres): 208
Maximum Depth (ft): 37
Water Clarity (ft): N/A

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


Did you know? The annual budget for the Section of Fisheries is approximately $17 million, which is funded primarily by fishing license and stamp fees and by a federal excise tax on fishing and boating equipment.

Fish Sampled for the 2011 Survey Year

Species

Gear Used

Number of fish per net

Average Fish Weight (lbs)

Normal Range (lbs)

Caught

Normal Range

Black Bullhead Trap net 2.56 1.0 - 29.9 0.55 0.2 - 0.7
Black Crappie Trap net 6.56 0.9 - 8.0 0.27 0.2 - 0.5
Bluegill Trap net 47.56 5.9 - 43.3 0.10 0.1 - 0.3
Green Sunfish Trap net 0.11 0.2 - 1.2 0.03 0.1 - 0.2
Hybrid Sunfish Trap net 10.11 N/A 0.19 N/A
Largemouth Bass Trap net 0.44 0.3 - 1.0 3.23 0.3 - 1.2
Northern Pike Trap net 0.33 N/A 3.22 N/A
Pumpkinseed Trap net 9.78 1.5 - 9.1 0.16 0.1 - 0.2
White Sucker Trap net 0.11 0.3 - 1.3 4.63 1.6 - 2.9
Yellow Bullhead Trap net 7.22 2.4 - 9.1 0.69 0.5 - 0.8
Yellow Perch Trap net 0.11 0.5 - 3.7 0.26 0.1 - 0.3
Normal Ranges represent typical catches for lakes with similar physical and chemical characteristics.


Length of Selected Species (Trapnet, Gillnet) Sampled for the 2011 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 bullhead 0 5 15 3 0 0 0 0 23
black crappie 0 56 2 1 0 0 0 0 59
bluegill 365 58 2 0 0 0 0 0 428
green sunfish 1 0 0 0 0 0 0 0 1
hybrid sunfish 32 59 0 0 0 0 0 0 91
largemouth bass 0 0 0 1 3 0 0 0 4
northern pike 0 0 0 0 0 1 2 0 3
pumpkinseed 57 31 0 0 0 0 0 0 88
white sucker 0 0 0 0 0 1 0 0 1
yellow bullhead 0 15 40 10 0 0 0 0 65
yellow perch 0 1 0 0 0 0 0 0 1


For the record, the largest Green Sunfish taken in Minnesota weighed 1 lb., 4.8 oz. and was caught:

    Where: North Arbor Lake, Hennepin County
    When: 6/14/05.
    Statistics: 10.25" length, 110.625" girth

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year Species Size Number Pounds
2012 Tiger Muskellunge fingerlings 280 147.4
2010 Tiger Muskellunge* fingerlings 280 82.3
2008 Tiger Muskellunge* fingerlings 280 71.1
2007 Black Crappie adults 784 112.0
2006 Tiger Muskellunge* fingerlings 280 83.5
2004 Tiger Muskellunge* fingerlings 280 87.5

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

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
CRYSTAL
Dakota Co., 19002700
Bluegill Sunfish   All sizes     Mercury
Northern Pike     All sizes   Mercury
White Sucker All sizes        

General Population

LAKE NAME
County, DOWID
Species Meal Advice Contaminants
Unrestricted 1 meal/week 1 meal/month Do not eat
CRYSTAL
Dakota Co., 19002700
Bluegill Sunfish All sizes        
Northern Pike   All sizes     Mercury
White Sucker 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 05/23/2011)

Crystal Lake presently is receiving very little management other than regular monitoring of the fish population through scheduled surveys and assessments. The only fish species currently being stocked is Hybrid Muskie (TME). Hybrid Muskie management began in 1984 and stocking is conducted biennially on even numbered years at a rate of 1.0 fingerlings/surface-acre (288 fish). No TME were captured in trap nets during this assessment. Only 3 Northern Pike (NOP) were captured in the trap net sample and they averaged 24.96 inches and 3.22 pounds. Yellow Perch (YEP) are present but only one individual was captured by trap nets. Black Crappie (BLC) were sampled above the median level for abundance , but below the median level for mean weight, in trap nets. The average BLC captured was 7.63 inches in length and 0.27 pounds. Approximately 13.0 percent of all BLC sampled measured 8.0 inches or longer with the largest individual captured measuring 12.64 inches. Bluegill (BLG) were sampled above the third quartile level for abundance in trap nets and below the first quartile level for mean weight. The average size of BLG in the trap net sample was 5.32 inches in length and 0.11 pounds. Only 2.6 percent of all BLG sampled measured 7.0 inches or longer, with the largest individual captured measuring 9.41 inches in length. Growth rates for BLG and BLC were found to be near average. Pumpkinseed Sunfish and Hybrid Sunfish are also very common in the lake with some respectable sized individuals present. Largemouth Bass (LMB) also appear to have a significant presence in this lake as they were sampled near the median level for abundance in trap nets. The average size LMB sampled was 17.34 inches long and 3.23 pounds. While no electrofishing was conducted during this assessment, local anglers report some quality LMB fishing in this lake.


For more information on this lake, contact:

Area Fisheries Supervisor
1200 Warner Rd
St. Paul, MN 55106
Phone: (651) 259-5831
Internet: East Metro Fisheries
E-Mail: MetroEast.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 C0988 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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