| Main Ref. | Bartley, D.M. (comp./ed.), 2006 |
| To | Greece |
| FAO area | Mediterranean and Black Sea |
| From | United States of America |
| FAO area | |
| Year | |
| Range | 1980 - 1989 |
| Period | 1975-present |
| Established in the Wild | probably no |
| Established in Aquaculture | |
| Significant Ecological Interactions | unknown - undecided |
| Significant Socio-economic Effects | |
| Introduced by | unknown |
| Reason | unknown |
| Other Reason | |
| Comments | At regular intervals, the Black Sea current takes Mnemiopsis leidyi to the northern Aegean Sea. Mnemiopsis leidyi was first recorded during late spring-summer 1990 in Saronikos Gulf, as well as in the neighboring, eutrophic Elefsis Bay (Shiganova et al.). |