File:Cercopagidae GLERL 1.jpg
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Date/Time | Dimensions | User | Comment | |
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current | 00:29, 23 May 2007 | 800 × 628 (46 KB) | Neil916 | ''Cercopagis'' (upper) and ''Bythotrephes''. Invading predatory cercopagids that have invaded the Great Lakes in ballast water. ''Bythotrephes'' invaded Lake Michigan in 1986. ''Cercopagis'' invaded lake Ontario and Lake Michigan in 1999. Arrows point to |
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