Faxonius obscurus
Faxonius obscurus
(Allegheny crayfish)
Crustaceans-Crayfish
Native Transplant
Collection Info
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Species Profile
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127 results for Faxonius obscurus (Allegheny crayfish)
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Page:123456
Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1710686 MDHarfordConowingo Pond1982 02050306 Lower Susquehannaestablished
157119 MEAndroscogginnon-specific waterbodys in central and southern parts of county2003 01040002 Lower Androscoggin Rivercollected
157121 MEFranklinnon-specific waterbody in west-central part of county2003 01040002 Lower Androscoggin Riverestablished
153757 NY Hudson River, freshwater tidal reach north of River Mile 30 (~168km upriver)[near Haverstraw]1996 02030101 Lower Hudsoncollected
862677 NYErie[No locality provided]2001 04270101 Niagara Riverunknown
1776974 NYErieNiagara River2001 04270101 Niagara River 
1776975 NYJeffersonLake Ontario2001 04280002 Lake Ontario 
862678 NYJeffersonLake Ontario2001 04280002 Lake Ontariounknown
1776976 NYMadison[No locality description provided]2003 02050102 Chenango 
1673456 NYMadison[No locality description provided]2019 04140202 Oneida 
1776972 NYMontgomery[No locality description provided]1982 02020005 Schoharie 
865901 NYMontgomery[No locality provided]1982 02020004 Mohawkunknown
865902 NYMontgomery[No locality provided]1982 02020005 Schoharieunknown
1776971 NYMontgomeryMohawk River1982 02020004 Mohawk 
1776963 NYOneidaDelta Reservoir1934 02020004 Mohawk 
1776970 NYOneidaDelta Reservoir1982 02020004 Mohawk 
1776977 NYOneidaDelta Reservoir1982 02020004 Mohawk 
1754318 NYOneidaNine Mile Creek, 7 mi NNE Deerfield, Roberts Rd.1998 02020004 Mohawk 
1776978 NYOrange[No locality description provided]2007 02030103 Hackensack-Passaic 
1776969 NYTiogaOwego Creek1998 02050103 Owego-Wappasening 
1754325 NYTiogaSusquehanna River, 2 mi ENE Apalachin, jct. Rt. 17 & Rt. 4341987 02050103 Owego-Wappasening 
1419074 PAAdamsAdams County2014 02000000 Mid Atlantic Regionestablished
1754321 PAAdamstrib. Conewago Creek, Heidlersburg1973 02050306 Lower Susquehanna 
1703608 PABedfordRiver Branch Juanita River off Fort Bedford Path2006 02050303 Raystown 
1736306 PABerksDelaware river watershed, Berks, PA2013 02040203 Schuylkill 
Page:123456

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 [2/22/2026].

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