| Χώρα | United States (contiguous states) | Οικοσύστημα | California Current |
| Περιοχή | Long Beach Marina (Entrance) | Depth | |
| Εισαχθέντα | Year Intro. | 1991 | |
| Στάδιο ζωής | not specified | unsexed | |
| Quantitative | Unit | ||
| Semi Quantitative | 0 | Unit | numbers/m^2 |
| Qualitative | absent | ||
| Έτος | 1997 - 1997 | Περίοδος | 1975-2000 |
| Ημερομηνία | 1997-03-20 00:00:00 - 1997-06-21 00:00:00 | Record Type | survey |
| Record Type | survey | ||
| Seasonal | Μέθοδος | swept area | |
| Σχόλια | Species was not found during spring of 1997 (dates assumed). | ||