Cercopagis pengoi
Cercopagis pengoi
(fishhook waterflea)
Crustaceans-Cladocerans
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12 results for Cercopagis pengoi (fishhook waterflea)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
157345 IL Lake Michigan, north of Chicago1999 04190000 Lake Michiganestablished
1736335 ILCookArnold's Barge Slip (ABS), Lockport, IL2021 07120003 Chicago 
1613627 ILCookCalumet Sag Channel2017 07120003 Chicagounknown
1695329 ILCookChicago River-Chicago Sanitary and Ship Canal2021 07120003 Chicagounknown
1613628 ILCookChicago Sanitary and Ship Canal, at Western Avenue (Richard J. Daley Park boat ramp)2017 07120003 Chicagounknown
1736331 ILCookWestern Avenue (WEA), Lockport, IL2017 04190000 Lake Michigan 
1736333 ILCookWorth Avenue, Cal-Sag, IL2017 07120003 Chicago 
1736332 ILCookWorth Avenue, Cal-Sag, IL2017 07120003 Chicago 
1736334 ILCookWorth Avenue, Cal-Sag, IL2017 07120003 Chicago 
4988 ILLakeLake Michigan at Waukegon Harbor1999 04190000 Lake Michiganestablished
266539 ILLakeLake Michigan, Waukegan Harbour1999 04190000 Lake Michiganestablished
1702905 ILLakeSouthwest Lake Michigan1999 04190000 Lake Michigan 

Data Disclaimer: Number of records does not imply species abundance. This summary represent collection records only and may not reflect the actual distribution of established populations. These data are preliminary or provisional and are subject to revision. They are being provided to meet the need for timely best science. The data have not received final approval by the U.S. Geological Survey (USGS) and are provided on the condition that neither the USGS nor the U.S. Government shall be held liable for any damages resulting from the authorized or unauthorized use of the data.

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The data represented on this site vary in accuracy, scale, completeness, extent of coverage and origin. It is the user's responsibility to use these data consistent with their intended purpose and within stated limitations. We highly recommend reviewing metadata files prior to interpreting these data.

Citation information: U.S. Geological Survey. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/20/2024].

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For general information and questions about the database, contact Wesley Daniel. For problems and technical issues, contact Matthew Neilson.