Specimen Information

Bythotrephes longimanus
Bythotrephes longimanus
(spiny waterflea)
Crustaceans-Cladocerans
Exotic

Specimen ID4049
GroupCrustaceans-Cladocerans
GenusBythotrephes
Specieslongimanus
Common Namespiny waterflea
StateMN
LocalityLake Superior
Mapping AccuracyApproximate
HUC8 NameLake Superior
HUC8 Number04020300
Map
+
Collection Day22
Collection Month4
Collection Year1988
Year AccuracyActual
Potential Pathwayshipping ballast water
Statusestablished
CommentsFirst observed in Lake Huron in 1984. Spread to all 5 Great Lakes in 3 years and is the dominant and preferred food of white perch, yellow perch, juvenile walleye, and juvenile coho salmon. Also caused restructuring of plankton community.
Record TypePersonal communication
Freshwater/MarineFreshwater


Disclaimer:

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. [2020]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [5/28/2020].

Contact us if you are using data from this site for a publication to make sure the data are being used appropriately and for potential co-authorship if warranted. For queries involving fish, please contact Matthew Neilson. For queries involving invertebrates, contact Amy Benson.