| Species | Name | Family | Habitat | Length (cm) | Trophic Level | Status |
|---|---|---|---|---|---|---|
| Abramis brama | Freshwater bream | Leuciscidae | benthopelagic | 82.0 TL | 3.0 | native |
| Alburnoides bipunctatus | Schneider | Leuciscidae | benthopelagic | 18.5 TL | 2.9 | native |
| Alburnus alburnus | Bleak | Leuciscidae | benthopelagic | 25.0 TL | 2.7 | native |
| Alosa alosa | Allis shad | Alosidae | pelagic-neritic | 83.0 TL | 3.0 | native |
| Alosa fallax | Twaite shad | Alosidae | pelagic-neritic | 60.0 SL | 4.0 | native |
| Alpinocottus poecilopus | Alpine bullhead | Cottidae | demersal | 15.0 SL | 3.0 | native |
| Ameiurus nebulosus | Brown bullhead | Ictaluridae | demersal | 55.0 TL | 3.7 | introduced |
| Anguilla anguilla | European eel | Anguillidae | demersal | 133.0 TL | 3.5 | native |
| Babka gymnotrachelus | Racer goby | Gobiidae | benthopelagic | 16.2 TL | 3.3 | introduced |
| Ballerus ballerus | Zope | Leuciscidae | benthopelagic | 49.0 TL | 3.2 | native |
| Ballerus sapa | White-eye bream | Leuciscidae | benthopelagic | 35.0 TL | 2.9 | introduced |
| Barbatula barbatula | Stone loach | Nemacheilidae | demersal | 21.0 TL | 2.6 | native |
| Barbus barbus | Barbel | Cyprinidae | benthopelagic | 120.0 TL | 3.1 | native |
| Barbus carpathicus | Cyprinidae | benthopelagic | 27.0 SL | 3.1 | native | |
| Barbus waleckii | Cyprinidae | benthopelagic | 34.0 SL | 3.1 | native | |
| Blicca bjoerkna | White bream | Leuciscidae | demersal | 45.5 TL | 2.9 | native |
| Carassius carassius | Crucian carp | Cyprinidae | demersal | 64.0 TL | 3.1 | native |
| Carassius gibelio | Prussian carp | Cyprinidae | benthopelagic | 46.6 TL | 2.5 | native |
| Chondrostoma nasus | Common nase | Leuciscidae | benthopelagic | 50.0 TL | 2.0 | native |
| Cobitis taenia | Spined loach | Cobitidae | benthopelagic | 13.5 TL | 3.3 | native |
| Cobitis tanaitica | Cobitidae | benthopelagic | 9.5 SL | 3.2 | native | |
| Coregonus albula | Vendace | Salmonidae | benthopelagic | 48.0 TL | 3.1 | native |
| Coregonus maraena | Maraena whitefish | Salmonidae | demersal | 130.0 TL | 3.5 | native |
| Cottus microstomus | Cottidae | benthopelagic | 10.1 SL | 3.3 | native | |
| Esox lucius | Northern pike | Esocidae | pelagic | 150.0 TL | 4.1 | native |
| Eudontomyzon mariae | Ukrainian brook lamprey | Petromyzontidae | demersal | 22.2 TL | 3.7 | native |
| Gasterosteus aculeatus | Three-spined stickleback | Gasterosteidae | benthopelagic | 11.0 TL | 3.3 | native |
| Gobio gobio | Gudgeon | Gobionidae | benthopelagic | 21.0 TL | 3.1 | native |
| Gymnocephalus cernua | Ruffe | Percidae | benthopelagic | 25.0 TL | 3.3 | native |
| Lampetra fluviatilis | River lamprey | Petromyzontidae | demersal | 50.0 TL | 4.5 | native |
| Lampetra planeri | European brook lamprey | Petromyzontidae | demersal | 20.5 TL | 3.8 | native |
| Leucaspius delineatus | Belica | Leuciscidae | pelagic | 9.0 SL | 3.2 | native |
| Leuciscus aspius | Asp | Leuciscidae | benthopelagic | 120.0 TL | 4.5 | native |
| Leuciscus idus | Ide | Leuciscidae | benthopelagic | 85.0 SL | 3.8 | native |
| Leuciscus leuciscus | Common dace | Leuciscidae | benthopelagic | 40.0 TL | 2.9 | native |
| Lota lota | Burbot | Lotidae | demersal | 152.0 TL | 3.8 | native |
| Misgurnus fossilis | Weatherfish | Cobitidae | demersal | 30.7 TL | 3.4 | native |
| Neogobius fluviatilis | Monkey goby | Gobiidae | benthopelagic | 20.0 SL | 3.4 | introduced |
| Neogobius melanostomus | Round goby | Gobiidae | demersal | 35.0 TL | 3.3 | introduced |
| Osmerus eperlanus | European smelt | Osmeridae | pelagic-neritic | 45.0 TL | 3.5 | native |
| Pelecus cultratus | Sichel | Leuciscidae | pelagic | 60.0 TL | 3.6 | native |
| Perca fluviatilis | European perch | Percidae | demersal | 60.0 SL | 4.2 | native |
| Petromyzon marinus | Sea lamprey | Petromyzontidae | demersal | 120.0 TL | 4.4 | native |
| Phoxinus phoxinus | Eurasian minnow | Leuciscidae | demersal | 14.0 TL | 3.2 | native |
| Platichthys flesus | European flounder | Pleuronectidae | demersal | 60.0 TL | 3.3 | native |
| Proterorhinus marmoratus | Tubenose goby | Gobiidae | demersal | 11.5 TL | 3.5 | introduced |
| Pungitius pungitius | Ninespine stickleback | Gasterosteidae | benthopelagic | 9.0 TL | 3.3 | native |
| Rhodeus amarus | European bitterling | Acheilognathidae | benthopelagic | 11.2 TL | 3.0 | native |
| Rhynchocypris percnura | Lake minnow | Leuciscidae | benthopelagic | 18.5 SL | 3.2 | native |
| Romanogobio belingi | Northern whitefin gudgeon | Gobionidae | demersal | 11.5 SL | 3.4 | native |
| Romanogobio kesslerii | Kessler's gudgeon | Gobionidae | benthopelagic | 13.0 TL | 3.3 | native |
| Rutilus rutilus | Roach | Leuciscidae | benthopelagic | 50.2 TL | 3.4 | native |
| Sabanejewia baltica | Cobitidae | demersal | 9.0 SL | 3.2 | native | |
| Salmo salar | Atlantic salmon | Salmonidae | benthopelagic | 150.0 TL | 4.5 | native |
| Salmo trutta | Sea trout | Salmonidae | pelagic-neritic | 140.0 SL | 3.4 | native |
| Sander lucioperca | Pike-perch | Percidae | pelagic | 100.0 SL | 4.0 | native |
| Scardinius erythrophthalmus | Rudd | Leuciscidae | benthopelagic | 61.7 TL | 2.9 | native |
| Silurus glanis | Wels catfish | Siluridae | benthopelagic | 273.0 TL | 4.4 | native |
| Squalius cephalus | Chub | Leuciscidae | benthopelagic | 60.0 SL | 2.7 | native |
| Thymallus thymallus | Grayling | Salmonidae | benthopelagic | 60.0 TL | 3.1 | native |
| Tinca tinca | Tench | Tincidae | demersal | 70.0 SL | 2.8 | native |
| Vimba vimba | Vimba bream | Leuciscidae | benthopelagic | 50.0 TL | 3.3 | native |