| Country | Functional Groups | Family | Name | |
|---|---|---|---|---|
| Croatia | finfish | bony fish | Clupeidae | Sprattus sprattus sprattus |
| finfish | bony fish | Clupeidae | Clupea harengus harengus | |
| Latvia | finfish | bony fish | Clupeidae | Sprattus sprattus balticus |
| Russia | finfish | bony fish | Gadidae | Boreogadus saida |
| Denmark | cnidarians | jellyfish/hydroids | Ulmaridae | Aurelia aurita |