| 国家 | United States (contiguous states) | 生态系 | |
| 地点 | Shelter Island, San Diego Bay | Depth | |
| 描述 | Year Intro. | ||
| 生活阶段 | not specified | unsexed | |
| Quantitative | 1 | Unit | number |
| Semi Quantitative | Unit | ||
| Qualitative | rare | ||
| 年代 | 1997 - | 时期 | 1975-2000 |
| 日期 | 1997-01-01 00:00:00 - 1997-12-31 00:00:00 | Record Type | |
| Record Type | |||
| Seasonal | 方法 | ||
| 附注 | Abundance observed in 1997, dates assumed. | ||