| Main Ref. | Banta, W.C., 1969 |
| To | California |
| FAO area | Pacific, Eastern Central |
| From | Mexico |
| FAO area | Pacific, Eastern Central |
| Year | 1969 |
| Range | |
| Period | 1950-1974 |
| Established in the Wild | Unknown |
| Established in Aquaculture | |
| Significant Ecological Interactions | yes - adverse |
| Significant Socio-economic Effects | |
| Introduced by | |
| Reason | biofouling |
| Other Reason | |
| Comments | Likely to have been intruduced via hull fouling. Ref. Banta, W.C., 1969 |