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
155982 NYKingstrashcan in Brooklyn Museum Station1937 02030202 Southern Long Islandfailed
1892063 NYNassau[No locality description provided]2025 02030202 Southern Long Island 
155981 NYSuffolkEast River1937 02030202 Southern Long Islandfailed
291010 NYSuffolkLily Pond on Long Island, NY2012 02030202 Southern Long Islandfailed
1613625 NYSuffolkSwimming pool at private residence, Bayport, Long Island, NY.2019 02030202 Southern Long 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. [2025]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [12/4/2025].

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