Faxonius immunis
Faxonius immunis
(calico crayfish)
Native Transplant

11 results for Faxonius immunis (calico crayfish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1419092 PAAlleghenyAllegheny County2014 05030101 Upper Ohioestablished
1419088 PAArmstrongArmstrong County2014 05010006 Middle Allegheny-Redbankestablished
1419090 PAButlerButler County2014 05030105 Connoquenessingestablished
1419089 PAClarionClarion County2014 05010005 Clarionestablished
1419086 PAClearfieldClearfield County2014 02050201 Upper West Branch Susquehannaestablished
1419095 PAFayetteFayette County2014 05020005 Lower Monongahelaestablished
1419094 PAGreeneGreene County2014 05020005 Lower Monongahelaestablished
1419087 PAIndianaIndiana County2014 05010007 Conemaughestablished
1419085 PAJeffersonJefferson County2014 05010005 Clarionestablished
1419093 PAWashingtonWashington County2014 05030106 Upper Ohio-Wheelingestablished
1419091 PAWestmorelandWestmoreland County2014 05020000 Monongahelaestablished

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.


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 [5/30/2024].

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