| Country | Japan | Ecosystem | East China Sea |
| Locality | Ariake Sea | Depth | |
| Introduced | Year Intro. | ||
| Life Stage | not specified | unsexed | |
| Quantitative | 140 | Unit | numbers/m^2 |
| Semi Quantitative | 100-1000 | Unit | numbers/m^2 |
| Qualitative | common | ||
| Year | 2002 - 2002 | Period | 2001-present |
| Date | 2002-04-12 00:00:00 - 2002-09-12 00:00:00 | Record Type | |
| Record Type | |||
| Seasonal | Method | ||
| Remarks | Abundance based on density (individuals/m^2). | ||