Carcinus maenas
Carcinus maenas
(green crab)

42 results for Carcinus maenas (green crab)
Download Data

Specimen IDStateCountyLocalityYear HUC Number What's this? Drainage nameStatus
4362 CA San Francisco Bay1990 18050004 San Francisco Bayestablished
4242 CA San Francisco Bay1994 18050004 San Francisco Bayestablished
619819 CAContra CostaPoint San Pablo Yacht Harbor, San Pablo Bay2004 18050002 San Pablo Bayestablished
619826 CAContra CostaRichmond Marina2005 18050002 San Pablo Bayestablished
4888 CAMarinBolinas Lagoon (Kent Island) (Bolinas, CA)1993 18050005 Tomales-Drake Baysestablished
4361 CAMarinBolinas Lagoon (near Bolinas)1995 18050005 Tomales-Drake Baysestablished
619828 CAMarinChina Camp2005 18050002 San Pablo Bayestablished
619829 CAMarinChina Camp2010 18050002 San Pablo Bayestablished
4889 CAMarinDrakes Estero [Drakes Bay, W of Point Reyes Sta]1993 18050005 Tomales-Drake Baysestablished
4739 CAMarinDrakes Estero [Drakes Bay, W of Point Reyes Sta]1993 18050005 Tomales-Drake Baysestablished
4363 CAMarinDrakes Estero [Drakes Bay, W of Point Reyes Sta]1995 18050005 Tomales-Drake Baysestablished
4735 CAMarinEstero Americano [Sonoma/Marin County line, Bodega Bay]1995 18050005 Tomales-Drake Baysestablished
619814 CAMarinPoint Reyes National Seashore - Drakes Estero1993 18050005 Tomales-Drake Baysestablished
1395920 CAMarinSan Francisco Bay2000 18050002 San Pablo Bayestablished
1395877 CAMarinSan Francisco Bay2000 18050002 San Pablo Bayestablished
1657130 CAMarinSeadrift Lagoon, Stinson Beach2009 18050005 Tomales-Drake Baysestablished
619824 CAMarinTomales Bay1993 18050005 Tomales-Drake Baysestablished
4740 CAMarinTomales Bay (just north of San Francisco)1993 18050005 Tomales-Drake Baysestablished
4887 CAMarinTomales Bay (Walker Creek) [just S of Tomales, CA]1993 18050005 Tomales-Drake Baysestablished
619825 CASan MateoBrisbane Lagoon, San Francisco Bay2004 18050004 San Francisco Bayestablished
887092 CASan Mateofrom rip rap next to R/V "Lucile" dock.2002 18050004 San Francisco Bayestablished
887093 CASan Mateointertidal near inner floating docks2002 18050004 San Francisco Bayestablished
4736 CASan MateoRedwood Shores Lagoon [Redwood City, CA]1989 18050004 San Francisco Bayestablished
619817 CASan MateoSan Francisco Bay - Redwood Shores Lagoon1989 18050004 San Francisco Bayestablished
4890 CASan MateoSan Francisco Bay (Redwood Shores) [between Foster City and San Carlos, CA]1993 18050004 San Francisco Bayestablished

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.


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. [2024]. Nonindigenous Aquatic Species Database. Gainesville, Florida. Accessed [4/17/2024].

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