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Gonionemus vertens - Clinging jellyfish

Current distribution Gonionemus vertens A. Agassiz, 1862 (37 OBIS-datapoints, 388 GBIF-datapoints)
The clinging jellyfish Gonionemus vertens is a non-native jellyfish originally found off the coast of China and Japan. It mainly spread via the export of Japanese oysters and shipping to other parts of the Pacific Ocean and Europe. Although established populations occur in the Netherlands in Zeeland, the species was only observed in Belgium in the Sluice Dock of Ostend in 1946 and recently again in the same location.