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spiny waterflea

Bythotrephes longimanus

Classification

Bythotrephes longimanus (also Bythotrephes cederstroemi), or the spiny water flea, is a planktonic crustacean less than 15 millimetres (0. 6 in) long. It is native to fresh waters of Northern Europe and Asia, but has been accidentally introduced and widely distributed in the Great Lakes area of North America since the 1980s.

Distribution

(c) Dmitry Kulakov, some rights reserved (CC BY), uploaded by Dmitry Kulakov · CC-BY
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Countries in the Picchu catalog
Norway · 239Canada · 21United States of America · 3