| Land | United States (contiguous states) | Ecosysteem | California Current |
| Plaats | Mission Bay (Bahia Point) | Depth | |
| Geïntroduceerd | Year Intro. | 1956 | |
| Levensstadium | not specified | unsexed | |
| Quantitative | Unit | ||
| Semi Quantitative | <100 | Unit | numbers/m^2 |
| Qualitative | common | ||
| Jaar | 1998 - 1998 | Period | 1975-2000 |
| Datum | 1998-03-20 00:00:00 - 1998-06-21 00:00:00 | Record Type | survey |
| Record Type | survey | ||
| Seasonal | Method | swept area | |
| Remarks | Species is common (approx. 1 individual/m^2) during spring of 1998 (dates assumed). | ||