Specimen Information

Pacifastacus leniusculus
Pacifastacus leniusculus
(Signal Crayfish)
Crustaceans-Crayfish
Native Transplant

Specimen ID1715799
GroupCrustaceans-Crayfish
GenusPacifastacus
Speciesleniusculus
Common NameSignal Crayfish
StateMN
CountyDouglas
LocalityLake Winona
Mapping AccuracyAccurate
HUC8 NameLong Prairie
HUC8 Number07010108
HUC10 NameLake Carlos
HUC10 Number0701010801
HUC12 NameLake Le Homme Dieu
HUC12 Number070101080108
Map

NAS ARM

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Collection Day23
Collection Month9
Collection Year2023
Year AccuracyActual
Statusfailed
Reference 1
Ref. Number:42500
Author:Minnesota Department of Natural Resources (MN DNR)
Date:2023
Title:Signal crayfish confirmed in Minnesota
Publisher:MN DNR
Reference 2
Ref. Number:43314
Author:Echo Press staff
Date:2024
Title:No additional signal crayfish discovered at Lake Winona
Publisher:Alexandria Echo Press
CommentsThe one captured female was not carrying eggs. Follow-up funnel trapping conducted by MN DNR in October 2023 did not catch additional signal crayfish individuals.
Record TypeNAS sighting report
Earliest Recordstate
Disposalremoved
VerifierMinnesota DNR
Number Collected10
Number of Juveniles0
Number of Females1
Number of Breeding Females0


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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [11/21/2024].

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