Alligator mississippiensis
Alligator mississippiensis
(American alligator)
Reptiles-Crocodilians
Native Transplant
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5 results for Alligator mississippiensis (American alligator)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
1473525 NJAtlanticDevonshire section of Mullica Township2018 02040301 Mullica-Tomsfailed
155986 NJEssexPassaic River,Belleville1933 02030103 Hackensack-Passaicfailed
1887098 NJMiddlesex[No locality description provided]2021 02030105 Raritan 
271841 NJMiddlesexPiscataway, a front yard near west 7th Street2005 02030105 Raritanfailed
155987 NJUnionLake Mindowaskin, Westfield1942 02030104 Sandy Hook-Staten Islandfailed

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 [1/31/2026].

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