| Specimen ID | 4749 |
| Group | Crustaceans-Crayfish |
| Genus | Faxonius |
| Species | virilis |
| Common Name | Virile Crayfish |
| State | CA |
| County | Colusa |
| Locality | Colusa County ditches |
| Mapping Accuracy | Centroid |
| Centroid Type | |
| HUC8 Name | Upper Sacramento |
| HUC8 Number | 18020000 |
| Map | |
| Collection Year | 1992 |
| Year Accuracy | Actual |
| Potential Pathway | dispersed |
| 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: | 9262 |
| Author: | Riegel, J.A. |
| Date: | 1959 |
| Title: | The systematics and distribution of crayfishes in California. |
| Journal: | California Fish and Game |
| Volume: | 45 |
| Issue: | 1 |
| Pages: | 29-50 |
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| Reference 3 |
| Ref. Number: | 9263 |
| Author: | Herbold, B., A.D. Jassby, and P.B. Moyle. |
| Date: | 1992 |
| Title: | Status an trends report on aquatic resources in the San Francisco Estuary. |
| Publisher: | San Francisco Esuary Project. |
| Pages: | 257 pp |
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| Comments | Native to Indiana, Illinois. Were brought to a lab at Chico State College. Eats rice shoots and is considered a pest. Has led to the decline of the native Shasta crayfish, Pacifasctacus fortis. (Year is publication date of source document.) |
| Record Type | Literature |
| Freshwater/Marine | Freshwater |
