| Country | Denmark | Ecosystem | Baltic Sea |
| Locality | Bornholm Basin, central Baltic Sea | Depth | |
| Introduced | Year Intro. | ||
| Life Stage | adult | unsexed | medusa |
| Quantitative | 0.0005 | Unit | numbers/m^3 |
| Semi Quantitative | <100 | Unit | numbers/m^3 |
| Qualitative | rare | ||
| Year | 2002 - 2002 | Period | 2001-present |
| Date | 2002-07-01 00:00:00 - 2002-08-20 00:00:00 | Record Type | field sample |
| Record Type | field sample | ||
| Seasonal | Method | volumetric | |
| Remarks | Abundance recorded in July and mid-August (dates assumed). Trawled from depths of 0 to 90 m. | ||