Random invasive species images that represents what NISIC does
USDA.gov NAL NISIC Sudden oak death Formosan subterranean termite Yellow star thistle Giant African snail Cactus moth Purple loosestrife
HomeAbout National Invasive Species Information Center (NISIC)News and EventscouncilHelpContact Us
 Search the National Invasive Species Information Center
Search all USDA
Advanced Search
Search Tips
Browse by Geography
United States
Browse by Subject
Aquatic Species
Economic Impacts
Laws and Regulations
Manager's Tool Kit
Resource Library
You are here: Home / Aquatic Species / Species Profiles / European Green Crab
Aquatic Species
Species Profiles

European Green Crab

European Green CrabScientific name: Carcinus maenas (Linnaeus, 1758) (ITIS)

Common names: European green crab, shore crab, Joe rocker

Click image to enlarge

Selected Resources

Native To: Europe (Carlton and Cohen 2003)

Date of U.S. Introduction: 1817 (East Coast); 1980s (West Coast) (Carlton and Cohen 2003)

Means of Introduction: Possibly through ballast water, hull fouling, or intentional releases (Carlton and Cohen 2003)

Impact: Preys on bivalves and other crustaceans, such as soft-shell clams and scallops (Grosholz and Ruiz 2002)

Current U.S. Distribution: North Atlantic coast; Pacific Coast



  • Green Crab (or select Play button below)
    Vital Signs Group Maine. (YouTube).

Selected Resources:


European Green Crab
Aquatic Nuisance Species Task Force.


Green Crab
Northeast Aquatic Nuisance Species Panel

The Exotics Guide: Non-native Marine Species of the North American Pacific Coast (Revised Sep 2011) - Carcinus maenas
San Francisco Estuary Institute; Center for Research on Aquatic Bioinvasions.

Invasive Species Compendium - Carcinus maenas
CAB International.

Global Invasive Species Database - Carcinus maenas (crustacean)
World Conservation Union. Invasive Species Specialist Group.


National Exotic Marine and Estuarine Species Information System (NEMESIS): Chesapeake Bay Introduced Species Database - Carcinus maenas
Smithsonian Institution. Smithsonian Environmental Research Center. Marine Invasions Research Lab.
See also: Green Crab Research

Nonindigenous Aquatic Species Database - Carcinus maenas
DOI. USGS. Southeast Ecological Science Center.
Provides distribution maps and collection information (State and County).

European green crab (Carcinus maenas)
New South Wales Department of Primary Industries (Australia).


Invasive Species - European Green Crab (Carcinus maenas)
Alaska Department of Fish and Game.

Aquatic Invasive Species - European Green Crab
Washington Department of Fish and Wildlife. Aquatic Nuisance Species.


Aquatic Invaders: European Green Crab - Aquatic Invader Toolkit (PDF | 663 KB)
Illinois-Indiana Sea Grant.

European Green Crab - Introduced Species Summary Project
Columbia University. Center for Environmental Research and Conservation.

Green Crab
Washington Sea Grant.


Green Crab Fact Sheet - Non-Indigenous Aquatic Species of Concern for Alaska (PDF | 161 KB)
Prince William Sound Regional Citizens' Advisory Council.


Carlton, J.T. and A.N. Cohen. 2003. Episodic global dispersal in shallow water marine organisms: the case history of the European shore crabs Carcinus maenas and C. aestuarii. Journal of Biogeography 30(12):1809-1820.

Grosholz, E. and G. Ruiz. 2002. Management Plan for the European Green Crab (PDF | 517 KB) Submitted to the Aquatic Nuisance Species Task Force.

Integrated Taxonomic Information System. Carcinus maenas. [Accessed Sep 10, 2014].

Back to Top
Last Modified: Feb 24, 2015
Bookmark and Share
I Want To
    Read Recent News Articles
    Find Management Plans
    Locate Images
    Find Experts

More ...

Aquatic Species
    Species Profiles
    Discussion Groups
    Economic Impacts
    Educational Resources
    Image Galleries
    Frequently Asked Questions
    What You Can Do
Media Help
 To view PDF files you must have Adobe Acrobat Reader installed on your computer.

To view Flash files you must  have Macromedia Flash Player installed on your computer.

 NISIC Home | NAL Home | USDA | AgNIC | Agricultural Research Service | Web Policies and Important Links | Site Map
FOIA | Accessibility Statement| Privacy Policy | Non-Discrimination Statement | Information Quality | USA.gov | White House