Palaemon macrodactylus

Palaemon macrodactylus found in Poland in the coastal waters of the Baltic Sea in 2014

Species name: Palaemon macrodactylus

Commen name: Migrant prawn, oriental shrimp

Synonyms: -

Group: Arthropods

Family: Palaemonidae

Natural range: Asia (Japan, Korea, northern China)

Impact: -

Pathway of introduction: It is unclear how the species has arrived to the Baltic Sea, but probable unintentional introduction through Ballast water and sediments.

Where, when and how discovered: The species was found in the yacht harbor in the Wisla Smiala River

Invasive status: -

Introduction status: Established - Ovigerous females and young individuals were found

For more information:

For more information on the siting in Poland:

Wojciech Solarz, Institute of Nature Conservation, Polish Academy of Sciences Email: