| Land | United States (contiguous states) | Ekosystem | |
| Observationsplats | J Street, San Diego Bay | Depth | |
| Införda | Year Intro. | ||
| Utvecklingsstadium | not specified | unsexed | |
| Quantitative | 1 | Unit | number |
| Semi Quantitative | Unit | ||
| Qualitative | rare | ||
| År | 1997 - | Period | 1975-2000 |
| Datum | 1997-01-01 00:00:00 - 1997-12-31 00:00:00 | Record Type | |
| Record Type | |||
| Seasonal | Metod | ||
| Anmärkningar | Abundance observed in 1997, dates assumed. | ||