Faxonius obscurus
Faxonius obscurus
(Allegheny crayfish)
Crustaceans-Crayfish
Native Transplant
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5 results for Faxonius obscurus (Allegheny crayfish)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
157119 MEAndroscogginnon-specific waterbodys in central and southern parts of county2003 01040002 Lower Androscoggin Rivercollected
157120 MECumberlandnon-specific waters throughout county2003 01060001 Presumpscotestablished
157121 MEFranklinnon-specific waterbody in west-central part of county2003 01040002 Lower Androscoggin Riverestablished
1776976 NYMadison[No locality description provided]2003 02050102 Chenango 
1703381 PAPhiladelphiaWissahickon Creek intersecting with W Bells Mill Rd. and between Yellow Trail and Orange Trail2003 02040203 Schuylkill 

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. [2026]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [2/23/2026].

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