| Country | Japan | Ecosystem | |
| Locality | Odaiba. | Depth | 5 m |
| Introduced | Year Intro. | ||
| Life Stage | juvenile/recruits | unsexed | ephyra |
| Quantitative | 0 | Unit | numbers/m^3 |
| Semi Quantitative | 0 | Unit | numbers/m^3 |
| Qualitative | absent | ||
| Year | 1991 - 1991 | Period | 1975-2000 |
| Date | 1991-11-01 00:00:00 - 1991-11-30 00:00:00 | Record Type | field sample |
| Record Type | field sample | ||
| Seasonal | Method | volumetric | |
| Remarks | Abundance observed during the month of November (dates assumed and value estimated from graph). Ephyrae and young medusae observed. Depth at the sampling station is less than 5 m except at a single narrow shipping lane and at the openings of canals where depth is about 9 m. | ||