Megabalanus coccopoma

Megabalanus coccopoma found in Poland in the coastal waters of the Baltic Sea in 2014.

Commen name: Titan acorn barnacle

Synonyms: -

Group: Arthropods

Family: Balanidae

Natural range: Extends in the Pacific from Mexico down to Peru

Impact: -

Pathway of introduction: It is unclear how the species has arrived to the Baltic Sea, but probable unintentional introduction with marine aggregates used for hydrotechnical engineering.

Where, when and how discovered: The species was found in Gdynia in 2014

Invasive status: -

Introduction status: -

For more information:

For more information on the siting in Poland:

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