Washington’s diverse and productive salt marshes and pocket estuaries, already threatened by shoreline development and pollution, now face a new invader. The European green crab (Carcinusmaenas), considered one of the world’s worst invasive species, recently entered inland waters of Washington. If a population establishes, it could threaten native habitats and species.
WSG, the Washington Department of Fish & Wildlife, and partners have teamed up to lead a volunteer-based early detection and monitoring program to improve our understanding of native salt marsh and pocket estuary organisms, and how they could be affected by green crabs.
Identifying Green Crabs
Report a Sighting
Crab Team News
This project has been funded wholly or in part by the United States Environmental Protection Agency under assistance agreement PC 00J29801 to Washington Department of Fish & Wildlife. The contents of this document do not necessarily reflect the views and policies of the Environmental Protection Agency, nor does mention of trade names or commercial products constitute endorsement or recommendation for use.