| Country | Japan | Ecosystem | |
| Locality | Tokyo Bay | Depth | 10 m |
| Introduced | Year Intro. | ||
| Life Stage | juvenile/recruits | unsexed | ephyra |
| Quantitative | 1.08 | Unit | numbers/m^3 |
| Semi Quantitative | <100 | Unit | numbers/m^3 |
| Qualitative | abundant | ||
| Year | 1992 - 1992 | Period | 1975-2000 |
| Date | 1992-01-28 00:00:00 - 1992-01-28 00:00:00 | Record Type | field sample |
| Record Type | field sample | ||
| Seasonal | Method | volumetric | |
| Remarks | Abundance value is cumulative from 5 stations in Tokyo Bay taken at depths of 3 to 10 m. Sizes of ephyrae at these stations are larger than those collected at Odaiba during the same period. | ||