Carcinus maenas
Carcinus maenas
(green crab)
Crustaceans-Crabs
Exotic
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6 results for Carcinus maenas (green crab)
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Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
4372 NJ coastal areas1950 02040301 Mullica-Tomsestablished
164180 NJAtlanticEdwin B. Forsythe National Wildlife Refuge2005 02040302 Great Egg Harborestablished
887032 NJCape May[No locality string in original GBIF record]1871 02040302 Great Egg Harborestablished
4871 NJCape MayAtlantic Ocean at Cape May Harbor1930 02040302 Great Egg Harborestablished
4872 NJCape MayAtlantic Ocean at Cape May Point1932 02040204 Delaware Bayestablished
1886074 NJOceanKey Harbor Marina, Barnegat Bay2023 02040301 Mullica-Tomsestablished

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 [1/19/2026].

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