| Country | United States (contiguous states) | Ecosystem | |
| Locality | Harbor Island, San Diego Bay | Depth | |
| Introduced | Year Intro. | ||
| Life Stage | not specified | unsexed | |
| Quantitative | 0 | Unit | number |
| Semi Quantitative | Unit | ||
| Qualitative | absent | ||
| Year | 1994 - | Period | 1975-2000 |
| Date | 1994-01-01 00:00:00 - 1994-12-31 00:00:00 | Record Type | |
| Record Type | |||
| Seasonal | Method | ||
| Remarks | Abundance observed in 1994, dates assumed. | ||