| Country | United States (contiguous states) | Ecosystem | California Current |
| Locality | Mission Bay (Quivera Basin) | Depth | |
| Introduced | Year Intro. | 1915 | |
| Life Stage | adult | unsexed | |
| Quantitative | Unit | ||
| Semi Quantitative | <100 | Unit | numbers/m^2 |
| Qualitative | common | ||
| Year | 1996 - 1996 | Period | 1975-2000 |
| Date | 1996-09-23 00:00:00 - 1996-12-21 00:00:00 | Record Type | survey |
| Record Type | survey | ||
| Seasonal | Method | swept area | |
| Remarks | Species is common (approx. 1 individual/m^2) during fall of 1996 (dates assumed). | ||