Bythotrephes longimanus
Bythotrephes longimanus
(spiny waterflea)

Impact ID4663
Impact TypeFood Web
Study TypeObservational
Study LocationField
Impact DescriptionFollowing the invasion of Bythotrephes in Harp Lake in 1993, changes in species composition and size distribution of zooplankton communities was noted. Larger species like Diamesa mendotae and Holopedium gibberum increased in abundance and smaller species like Bosmina longirostris, Diaphanosoma birgei, Tropocyclops extensus,and Chydorus sphaericus declined dramatically.
Great Lakes RegionYes

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Citation information: U.S. Geological Survey. [2023]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [3/25/2023].

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