Species Regional Summary
Palaemon macrodactylus
Cape Cod to Cape Hatteras ( NA-ET3 )

Invasion History Vectors Impacts References

Invasion

Invasion Description

1st Record: Bronx/New York City/Bronx River (2001, Warkentine and Rachlin 2010, 40°49'04.42"N, 073°52'52.17"W); Bronx/New York City/East River (2001, Warkentine and Rachlin 2010, 40°48'26.94"N, 073°51'34.05"); Bronx/New York City/Long Island Sound (2001, Warkentine and Rachlin 2010, 40°49'04.42"N, 073°52'52.17"W)

Geographic Extent

Gardner Jackson Park, Providence/RI/Providence River (8/2010, Cremins 10/7/2010, 'a number of the shrimp'); (2009, USGS Nonindigenous Aquatic Species Program 2010; Wojtas 6/16/2010); Fort Adams State Park, Newport/RI/Narragansett Bay (2013, Wells et al. 2014); Point Judith Pond Marina, Wakefield/RI/Point Judith Pond (2019, Pederson et al. 2021); Bronx/New York City/Bronx River (2001-2002, 2008, Warkentine and Rachlin 2010, 40°49'04.42"N, 073°52'52.17"W); Bronx/New York City/East River (2001-2002, 2008, Warkentine and Rachlin 2010, 40 48'26.94 N, 073 51'34.05 W); SUNY-Maritime College Campus, New York City/NY/East River (2010, Warkentine and Rachlin 2012, 40°48'18.85"N, 73°47'41.36"W, persisting, at 4% of shrimp community); Bronx/New York City/Long Island Sound (2001-2002, 2008, Warkentine and Rachlin 2010, 40°49'04.42"N, 073°52'52.17"W); widely distributed/CT/Long Island Sound (Benson 2011); Edgewater/MD/Rhode River (2007, Greg Ruiz 2009, 1 specimen caught from SERC dock); VA/York River (2009, Llanso, personal communication, 1 specimen); VVA/James River (2008, Llanso and Sillet 2009, 2 specimens, on hull of disused ship 'Cape Charles')

Vectors

Level Vector
Probable Ballast Water

Regional Impacts

References

Full Reference List for Palaemon macrodactylus

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