| Main Ref. | Spicer, J.I. and U. Janas, 2006 |
| To | Hel Peninsula |
| FAO area | Atlantic, Northeast |
| From | unknown |
| FAO area | |
| Year | 2005 |
| Range | |
| Period | 1975-present |
| Established in the Wild | |
| Established in Aquaculture | |
| Significant Ecological Interactions | |
| Significant Socio-economic Effects | |
| Introduced by | |
| Reason | unknown |
| Other Reason | |
| Comments | Specimens of Platorchestia platensis were discovered in May 2005 on the southern shore of the Hel Peninsula at Kuznica. Possibly diffused from neighboring countries. |