Alien Species database

Species Taxon Origin Possible introduction vector into Wadden Sea Area
Corambe obscura Mollusca W Atlantic unknown Germany Netherlands
Cordylophora caspia Cnidaria Ponto-Caspian Interconnected waterways Denmark Germany Netherlands
Corella eumyota Ascidiacea Southern oceans Hull fouling Germany
Coscinodiscus wailesii Algae N Pacific Natural distribution Germany Netherlands
Crassostrea gigas Mollusca NW Pacific Oyster transports Denmark Germany Netherlands
Crepidula fornicata Mollusca NW Atlantic Oyster transports Denmark Germany Netherlands
Dasya baillouviana Algae NW Pacific Natural distribution Germany
Dasya sessilis Algae NW Pacific Natural distribution Netherlands
Dasysiphonia japonica Algae NW Pacific Hull fouling Germany Netherlands
Diadumene cincta Cnidaria Unknown Natural distribution Germany Netherlands
Diadumene lineata Cnidaria Pacific Hull fouling Germany Netherlands
Didemnum vexillum Ascidiacea NW Pacific Hull fouling Germany Netherlands
Diplosoma listerianum Ascidiacea Unknown Natural distribution Denmark Germany Netherlands
Ensis directus Mollusca NW Atlantic Natural distribution Denmark Germany Netherlands
Eriocheir sinensis Crustacea NW Pacific Natural distribution Denmark Germany Netherlands
Eteone heteropoda Annelida NW Atlantic Ballast water Denmark
Fibrocapsa japonica Algae Unknown Natural distribution Germany Netherlands
Ficopomatus enigmaticus Annelida SW Pacific Hull fouling Germany Netherlands
Gammarus tigrinus Crustacea NW Atlantic Natural distribution Germany Netherlands
Gonionemus vertens Cnidaria N Pacific Hull fouling Germany Netherlands
Gracilaria vermiculophylla Algae W Pacific Natural distribution Denmark Germany Netherlands
Grateloupia turuturu Algae NW Pacific Hull fouling Germany
Haliclona (Soestella) xena Porifera Unknown unknown Netherlands
Hemigrapsus sanguineus Crustacea NW Pacific Natural distribution Denmark Germany Netherlands
Hemigrapsus takanoi Crustacea NW Pacific Natural distribution Denmark Germany Netherlands
Heterosigma akashiwo Algae Pacific Natural distribution Germany Netherlands
Hymeniacidon perlevis Porifera NE Atlantic Natural distribution Netherlands
Hypereteone cf. lighti Annelida N America unknown Germany
Incisocalliope aestuarius Crustacea NW Atlantic hull fouling Germany
Jassa marmorata Crustacea NW Atlantic Natural distribution Denmark Germany Netherlands