Specimen Information

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

Specimen ID4047
GroupCrustaceans-Cladocerans
GenusBythotrephes
Specieslongimanus
Common Namespiny waterflea
StateIN
LocalityLake Michigan
Mapping AccuracyApproximate
HUC8 NameLake Michigan
HUC8 Number4060200
Map
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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


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Citation information: U.S. Geological Survey. [2018]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [1/22/2018].

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