| Specimen ID | 4740 |
| Group | Crustaceans-Crabs |
| Genus | Carcinus |
| Species | maenas |
| Common Name | green crab |
| State | CA |
| County | Marin |
| Locality | Tomales Bay (just north of San Francisco) |
| Mapping Accuracy | Approximate |
| HUC8 Name | Tomales-Drake Bays |
| HUC8 Number | 18050005 |
| Map | |
| Collection Year | 1993 |
| Year Accuracy | Actual |
| Potential Pathway | shipping ballast water |
| Status | established |
| Reference 1 |
| Ref. Number: | 10319 |
| Author: | Cohen, A.N., and J.T. Carlton. |
| Date: | 1995 |
| Title: | Nonindigenous Aquatic Species in a United States Estuary, A Case Study of the Biological Invasions of the San Francisco Bay and Delta. |
| Journal: | Report for USFWS, WA DC, and Connecticut Sea Grant |
| Publisher: | A report for the United States Fish and Wildlife Service, Washington, DC and The National Sea Grant College Program Connecticut Sea Grant. |
| Pages: | 246 pp |
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| Reference 2 |
| Ref. Number: | 9261 |
| Author: | Miller, Todd W. |
| Date: | 1996 |
| Title: | First record of the green crab, Carcinus maenas, in Humboldt Bay, California. |
| Journal: | California Fish and Game |
| Volume: | 82 |
| Issue: | 2 |
| Pages: | 93-96 |
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| Comments | Native to Europe. Arrived to Atlantic Coast of North America by 1817. |
| Record Type | Literature |
| Freshwater/Marine | Marine |
