| देश | United States (contiguous states) | परितंत्र | California Current |
| स्थान | Long Beach/ Los Angeles Harbors (Impound Marina) | Depth | |
| प्रस्तुत किया | Year Intro. | 1991 | |
| जीवन अवस्था | not specified | unsexed | |
| Quantitative | Unit | ||
| Semi Quantitative | <100 | Unit | numbers/m^2 |
| Qualitative | rare | ||
| वर्ष | 1997 - 1997 | Period | 1975-2000 |
| तारीख | 1997-03-20 00:00:00 - 1997-06-21 00:00:00 | Record Type | survey |
| Record Type | survey | ||
| Seasonal | विधि | swept area | |
| Remarks | Species is rare (<0.1 individuals/m^2) during spring of 1997 (dates assumed). | ||