| Species | Recipient region | |
|---|
| Acartia (Acanthacartia) tonsa | Denmark / Baltic Sea |  |
| Acartia (Acanthacartia) tonsa | Denmark / North Sea |  |
| Akashiwo sanguinea | Denmark / Baltic Sea |  |
| Akashiwo sanguinea | Denmark / North Sea |  |
| Alexandrium margalefii | Denmark / Baltic Sea |  |
| Alexandrium margalefii | Denmark / North Sea |  |
| Bacteriastrum hyalinum | Denmark / Baltic Sea |  |
| Bacteriastrum hyalinum | Denmark / North Sea |  |
| Dictyota dichotoma | Denmark / Baltic Sea |  |
| Dictyota dichotoma | Denmark / North Sea |  |
| Dinophysis sacculus | Denmark / North Sea |  |
| Dinophysis sacculus | Denmark / Baltic Sea |  |
| Fucus evanescens | Denmark / Baltic Sea |  |
| Fucus evanescens | Denmark / North Sea |  |
| Gammarus tigrinus | Denmark / Baltic Sea |  |
| Gammarus tigrinus | Denmark / North Sea |  |
| Heterosigma akashiwo | Denmark / Baltic Sea |  |
| Heterosigma akashiwo | Denmark / North Sea |  |
| Karenia mikimotoi | Denmark / Baltic Sea |  |
| Karenia mikimotoi | Denmark / North Sea |  |
| Lepidodinium chlorophorum | Denmark / Baltic Sea |  |
| Lepidodinium chlorophorum | Denmark / North Sea |  |
| Marenzelleria neglecta | Denmark / Baltic Sea |  |
| Marenzelleria viridis | Denmark / North Sea |  |
| Marenzelleria viridis | Denmark / Baltic Sea |  |
| Melanothamnus harveyi | Denmark / North Sea |  |
| Mnemiopsis leidyi | Denmark / Baltic Sea |  |
| Mnemiopsis leidyi | Denmark / North Sea |  |
| Molgula manhattensis | Denmark / Baltic Sea |  |
| Molgula manhattensis | Denmark / North Sea |  |
| Mya arenaria | Denmark / Baltic Sea |  |
| Mya arenaria | Denmark / North Sea |  |
| Mytilicola intestinalis | Denmark / Baltic Sea |  |
| Mytilicola intestinalis | Denmark / North Sea |  |
| Neogobius melanostomus | Denmark / Baltic Sea |  |
| Neogobius melanostomus | Denmark / North Sea |  |
| Ocinebrellus inornatus | Denmark / North Sea |  |
| Palaemon elegans | Denmark / Baltic Sea |  |
| Palaemon elegans | Denmark / North Sea |  |
| Peridiniella danica | Denmark / North Sea |  |
| Peridiniella danica | Denmark / Baltic Sea |  |
| Peridinium quadridentatum | Denmark / Baltic Sea |  |
| Peridinium quadridentatum | Denmark / North Sea |  |
| Petricolaria pholadiformis | Denmark / Baltic Sea |  |
| Petricolaria pholadiformis | Denmark / North Sea |  |
| Phaeocystis pouchetii | Denmark / North Sea |  |
| Phaeocystis pouchetii | Denmark / Baltic Sea |  |
| Prorocentrum cordatum | Denmark / North Sea |  |
| Prorocentrum cordatum | Denmark / Baltic Sea |  |
| Prorocentrum gracile | Denmark / North Sea |  |
| Prorocentrum gracile | Denmark / Baltic Sea |  |
| Prorocentrum lima | Denmark / Baltic Sea |  |
| Prorocentrum lima | Denmark / North Sea |  |
| Prorocentrum triestinum | Denmark / North Sea |  |
| Prorocentrum triestinum | Denmark / Baltic Sea |  |
| Pseudochattonella verruculosa | Denmark / Baltic Sea |  |
| Pseudodactylogyrus anguillae | Denmark / Baltic Sea |  |
| Pseudodactylogyrus anguillae | Denmark / North Sea |  |
| Pseudosolenia calcar-avis | Denmark / North Sea |  |
| Pseudosolenia calcar-avis | Denmark / Baltic Sea |  |
| Rhithropanopeus harrisii | Denmark / North Sea |  |
| Rhithropanopeus harrisii | Denmark / Baltic Sea |  |
| Sargassum muticum | Denmark / Baltic Sea |  |
| Sargassum muticum | Denmark / North Sea |  |
| Spartina townsendii var. anglica | Denmark / North Sea |  |
| Spartina townsendii var. anglica | Denmark / Baltic Sea |  |
| Styela clava | Denmark / Baltic Sea |  |
| Styela clava | Denmark / North Sea |  |
| Teredo navalis | Denmark / Baltic Sea |  |
| Teredo navalis | Denmark / North Sea |  |
| Tharyx killariensis | Denmark / Baltic Sea |  |
| Tharyx killariensis | Denmark / North Sea |  |
| Trieres mobiliensis | Denmark / Baltic Sea |  |
| Trieres mobiliensis | Denmark / North Sea |  |
| Trieres regia | Denmark / North Sea |  |
| Trieres regia | Denmark / Baltic Sea |  |
| Tripos arietinus | Denmark / Baltic Sea |  |
| Tripos arietinus | Denmark / North Sea |  |
| Tripos macroceros | Denmark / Baltic Sea |  |
| Tripos macroceros | Denmark / North Sea |  |