File:Cercopagidae GLERL 1.jpg

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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 the thoracopods (feeding appendages). Microphotograph taken by J. Liebig, NOAA GLERL, 2001.
Obtained from http://www.glerl.noaa.gov/pubs/photogallery/Waterlife/pages/1017.html archive copy at the Wayback Machine

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This image is in the public domain because it contains materials that originally came from the U.S. National Oceanic and Atmospheric Administration, taken or made as part of an employee's official duties.

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current07:29, 23 May 2007Thumbnail for version as of 07:29, 23 May 2007800 × 628 (46 KB)Neil916 (talk | contribs)''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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