| Order | Family | Species | Occurrence | FishBase name | Name in Country |
|---|---|---|---|---|---|
| Cypriniformes | Leuciscidae | Abramis brama | native | Freshwater bream | Platika |
| Acipenseriformes | Acipenseridae | Acipenser gueldenstaedtii | native | Danube sturgeon | Ruska esetra |
| Acipenseriformes | Acipenseridae | Acipenser nudiventris | native | Fringebarbel sturgeon | Ship |
| Acipenseriformes | Acipenseridae | Acipenser ruthenus | native | Sterlet sturgeon | Chiga |
| Acipenseriformes | Acipenseridae | Acipenser stellatus | native | Starry sturgeon | Pastruga |
| Acipenseriformes | Acipenseridae | Acipenser sturio | native | Sturgeon | Atlantichka esetra |
| Blenniiformes | Blenniidae | Aidablennius sphynx | native | ||
| Cypriniformes | Leuciscidae | Alburnoides bipunctatus | native | Schneider | Govedarka |
| Cypriniformes | Leuciscidae | Alburnoides strymonicus | native | ||
| Cypriniformes | Leuciscidae | Alburnus alburnus | native | Bleak | Ucleyka |
| Cypriniformes | Leuciscidae | Alburnus chalcoides | native | Danube bleak | Ucley |
| Cypriniformes | Leuciscidae | Alburnus danubicus | native | ||
| Cypriniformes | Leuciscidae | Alburnus mandrensis | endemic | Mandras shemaya | |
| Cypriniformes | Leuciscidae | Alburnus schischkovi | native | Black Sea bleak | |
| Cypriniformes | Leuciscidae | Alburnus thessalicus | native | ||
| Clupeiformes | Alosidae | Alosa caspia | native | Caspian shad | |
| Clupeiformes | Alosidae | Alosa fallax | native | Twaite shad | Finta |
| Clupeiformes | Alosidae | Alosa immaculata | native | Pontic shad | Karagyoz |
| Clupeiformes | Alosidae | Alosa maeotica | native | Black sea shad | Blech |
| Clupeiformes | Alosidae | Alosa tanaica | native | Black Sea shad | |
| Siluriformes | Ictaluridae | Ameiurus nebulosus | introduced | Brown bullhead | |
| Anguilliformes | Anguillidae | Anguilla anguilla | native | European eel | Zmiorka |
| Gobiiformes | Gobiidae | Aphia minuta | native | Transparent goby | |
| Gobiesociformes | Gobiesocidae | Apletodon bacescui | native | ||
| Pleuronectiformes | Bothidae | Arnoglossus kessleri | native | Scaldback | |
| Atheriniformes | Atherinidae | Atherina boyeri | native | Big-scale sand smelt | Aterina |
| Atheriniformes | Atherinidae | Atherina hepsetus | native | Mediterranean sand smelt | Srebarka |
| Scombriformes | Scombridae | Auxis rochei | native | Bullet tuna | |
| Gobiiformes | Gobiidae | Babka gymnotrachelus | native | Racer goby | |
| Cypriniformes | Leuciscidae | Ballerus ballerus | native | Zope | Chil Kossat |
| Cypriniformes | Leuciscidae | Ballerus sapa | native | White-eye bream | |
| Cypriniformes | Nemacheilidae | Barbatula barbatula | native | Stone loach | |
| Cypriniformes | Cyprinidae | Barbus barbus | native | Barbel | Byala mryana |
| Cypriniformes | Cyprinidae | Barbus bergi | native | Bulgarian barbel | |
| Cypriniformes | Cyprinidae | Barbus cyclolepis | native | Round-scaled barbell | |
| Cypriniformes | Cyprinidae | Barbus meridionalis | native | Mediterranean barbel | Cherna mryana |
| Cypriniformes | Cyprinidae | Barbus petenyi | native | ||
| Cypriniformes | Cyprinidae | Barbus strumicae | native | ||
| Cypriniformes | Cyprinidae | Barbus tauricus | native | Crimean barbel | |
| Beloniformes | Belonidae | Belone euxini | native | Morska bekasa | |
| Gobiiformes | Gobiidae | Benthophiloides brauneri | native | Brauner's tadpole-goby | |
| Gobiiformes | Gobiidae | Benthophilus stellatus | native | Stellate tadpole-goby | |
| Blenniiformes | Blenniidae | Blennius ocellaris | native | Butterfly blenny | |
| Cypriniformes | Leuciscidae | Blicca bjoerkna | native | White bream | Bellitza |
| Eupercaria/misc | Sparidae | Boops boops | native | Bogue | |
| Callionymiformes | Callionymidae | Callionymus pusillus | native | Sailfin dragonet | |
| Callionymiformes | Callionymidae | Callionymus risso | native | Risso’s dragonet | |
| Cypriniformes | Cyprinidae | Carassius carassius | native | Crucian carp | |
| Cypriniformes | Cyprinidae | Carassius gibelio | native | Prussian carp | Srebarna karracuda |
| Perciformes/Scorpaenoidei | Triglidae | Chelidonichthys lucerna | native | Tub gurnard | |
| Mugiliformes | Mugilidae | Chelon auratus | native | Golden grey mullet | Platerina |
| Mugiliformes | Mugilidae | Chelon labrosus | native | Thicklip grey mullet | |
| Mugiliformes | Mugilidae | Chelon ramada | native | Thinlip grey mullet | |
| Mugiliformes | Mugilidae | Chelon saliens | native | Leaping mullet | Ilaria |
| Cypriniformes | Leuciscidae | Chondrostoma nasus | native | Common nase | Scobar |
| Cypriniformes | Leuciscidae | Chondrostoma vardarense | native | ||
| Ovalentaria/misc | Pomacentridae | Chromis chromis | native | Damselfish | |
| Gobiiformes | Gobiidae | Chromogobius quadrivittatus | native | Chestnut goby | |
| Clupeiformes | Ehiravidae | Clupeonella cultriventris | native | Black and Caspian Sea sprat | Tzatza |
| Cypriniformes | Cobitidae | Cobitis albicoloris | native | ||
| Cypriniformes | Cobitidae | Cobitis elongata | native | ||
| Cypriniformes | Cobitidae | Cobitis pontica | native | Pontic spined loach | |
| Cypriniformes | Cobitidae | Cobitis rhodopensis | native | ||
| Cypriniformes | Cobitidae | Cobitis strumicae | native | Bulgarian spined loach | |
| Cypriniformes | Cobitidae | Cobitis taenia | native | Spined loach | Piskal |
| Anguilliformes | Congridae | Conger conger | native | European conger | |
| Salmoniformes | Salmonidae | Coregonus albula | native | Vendace | |
| Salmoniformes | Salmonidae | Coregonus lavaretus | introduced | European whitefish | Chudski sig |
| Salmoniformes | Salmonidae | Coregonus peled | introduced | Peled | Peled |
| Eupercaria/misc | Labridae | Coris julis | native | Mediterranean rainbow wrasse | |
| Blenniiformes | Blenniidae | Coryphoblennius galerita | native | Montagu's blenny | |
| Perciformes/Cottoidei | Cottidae | Cottus gobio | native | Bullhead | |
| Perciformes/Cottoidei | Cottidae | Cottus haemusi | native | Vit sculpin | |
| Eupercaria/misc | Labridae | Ctenolabrus rupestris | native | Goldsinny-wrasse | |
| Cypriniformes | Xenocyprididae | Ctenopharyngodon idella | introduced | Grass carp | Byal amur |
| Cypriniformes | Cyprinidae | Cyprinus carpio | native | Common carp | Sharan |
| Myliobatiformes | Dasyatidae | Dasyatis pastinaca | native | Common stingray | |
| Eupercaria/misc | Sparidae | Dentex dentex | native | Common dentex | |
| Eupercaria/misc | Moronidae | Dicentrarchus labrax | native | European seabass | Lavrak |
| Gobiesociformes | Gobiesocidae | Diplecogaster euxinica | native | ||
| Eupercaria/misc | Sparidae | Diplodus annularis | native | Annular seabream | |
| Eupercaria/misc | Sparidae | Diplodus puntazzo | native | Sharpsnout seabream | |
| Eupercaria/misc | Sparidae | Diplodus sargus | native | White seabream | |
| Eupercaria/misc | Sparidae | Diplodus vulgaris | native | Common two-banded seabream | |
| Carangiformes | Echeneidae | Echeneis naucrates | native | Live sharksucker | |
| Clupeiformes | Engraulidae | Engraulis encrasicolus | native | European anchovy | Hamsia |
| Esociformes | Esocidae | Esox lucius | native | Northern pike | Shtuka |
| Petromyzontiformes | Petromyzontidae | Eudontomyzon mariae | native | Ukrainian brook lamprey | |
| Scombriformes | Scombridae | Euthynnus alletteratus | native | Little tunny | |
| Perciformes/Scorpaenoidei | Triglidae | Eutrigla gurnardus | native | Grey gurnard | |
| Gadiformes | Gaidropsaridae | Gaidropsarus mediterraneus | native | Shore rockling | Galja |
| Cyprinodontiformes | Poeciliidae | Gambusia affinis | introduced | Mosquitofish | |
| Cyprinodontiformes | Poeciliidae | Gambusia holbrooki | introduced | Eastern mosquitofish | |
| Perciformes/Gasterosteoidei | Gasterosteidae | Gasterosteus aculeatus | native | Three-spined stickleback | Kedrinka |
| Cypriniformes | Gobionidae | Gobio bulgaricus | native | ||
| Cypriniformes | Gobionidae | Gobio kovatschevi | native | Varna gudgeon | Varna gudgeon |
| Gobiiformes | Gobiidae | Gobius cobitis | native | Giant goby | |
| Gobiiformes | Gobiidae | Gobius niger | native | Black goby | |
| Gobiiformes | Gobiidae | Gobius ophiocephalus | native | Grass goby | Trevno popce |
| Gobiiformes | Gobiidae | Gobius paganellus | native | Rock goby | |
| Perciformes/Uranoscopoidei | Ammodytidae | Gymnammodytes cicerelus | native | Mediterranean sand eel | |
| Perciformes/Percoidei | Percidae | Gymnocephalus baloni | native | Danube ruffe | |
| Perciformes/Percoidei | Percidae | Gymnocephalus cernua | native | Ruffe | |
| Perciformes/Percoidei | Percidae | Gymnocephalus schraetser | native | Schraetzer | |
| Syngnathiformes | Syngnathidae | Hippocampus guttulatus | native | Long-snouted seahorse | |
| Salmoniformes | Salmonidae | Hucho hucho | native | Huchen | |
| Acipenseriformes | Acipenseridae | Huso huso | native | Beluga | Moruna |
| Cypriniformes | Xenocyprididae | Hypophthalmichthys nobilis | introduced | Bighead carp | Pastar tolstolob |
| Siluriformes | Ictaluridae | Ictalurus punctatus | introduced | Channel catfish | Kanalen som |
| Cypriniformes | Catostomidae | Ictiobus bubalus | introduced | Smallmouth buffalo | |
| Cypriniformes | Catostomidae | Ictiobus cyprinellus | introduced | Bigmouth buffalo | |
| Cypriniformes | Catostomidae | Ictiobus niger | introduced | Black buffalo | |
| Gobiiformes | Gobiidae | Knipowitschia caucasica | native | Caucasian dwarf goby | Dalache |
| Gobiiformes | Gobiidae | Knipowitschia longecaudata | native | Longtail dwarf goby | |
| Gobiesociformes | Gobiesocidae | Lepadogaster candolii | native | Connemarra clingfish | Connemarra clingfish |
| Gobiesociformes | Gobiesocidae | Lepadogaster lepadogaster | native | Shore clingfish | Shore clingfish |
| Centrarchiformes | Centrarchidae | Lepomis gibbosus | introduced | Pumpkinseed | |
| Cypriniformes | Leuciscidae | Leucaspius delineatus | native | Belica | Wid dreben |
| Cypriniformes | Leuciscidae | Leuciscus aspius | native | Asp | Rasper |
| Cypriniformes | Leuciscidae | Leuciscus idus | native | Ide | Mazdruga |
| Carangiformes | Carangidae | Lichia amia | native | Leerfish | Likhija |
| Lophiiformes | Lophiidae | Lophius piscatorius | native | Angler | |
| Gadiformes | Lotidae | Lota lota | native | Burbot | Mihaltza |
| Gadiformes | Gadidae | Merlangius merlangus | native | Whiting | Medzhid |
| Gadiformes | Merlucciidae | Merluccius merluccius | native | European hake | |
| Gobiiformes | Gobiidae | Mesogobius batrachocephalus | native | Knout goby | Lechos |
| Cypriniformes | Cobitidae | Misgurnus fossilis | native | Weatherfish | Zmiorche |
| Mugiliformes | Mugilidae | Mugil cephalus | native | Flathead grey mullet | Morski cefal |
| Mulliformes | Mullidae | Mullus ponticus | native | Blunt-snouted mullet | Barbunya |
| Cypriniformes | Xenocyprididae | Mylopharyngodon piceus | introduced | Black carp | Cheren amur |
| Carangiformes | Carangidae | Naucrates ductor | native | Pilotfish | Lotsman |
| Gobiiformes | Gobiidae | Neogobius fluviatilis | native | Monkey goby | |
| Gobiiformes | Gobiidae | Neogobius melanostomus | native | Round goby | Strogil |
| Syngnathiformes | Syngnathidae | Nerophis ophidion | native | Straightnose pipefish | |
| Eupercaria/misc | Sparidae | Oblada melanurus | native | Saddled seabream | |
| Salmoniformes | Salmonidae | Oncorhynchus mykiss | introduced | Rainbow trout | Dagova pastarva |
| Ophidiiformes | Ophidiidae | Ophidion rochei | native | ||
| Cypriniformes | Nemacheilidae | Oxynoemacheilus bureschi | native | Bulgarian stone loach | |
| Eupercaria/misc | Sparidae | Pagellus erythrinus | native | Common pandora | |
| Blenniiformes | Blenniidae | Parablennius sanguinolentus | native | Rusty blenny | |
| Blenniiformes | Blenniidae | Parablennius tentacularis | native | Tentacled blenny | |
| Blenniiformes | Blenniidae | Parablennius zvonimiri | native | ||
| Pleuronectiformes | Soleidae | Pegusa lascaris | native | Sand sole | |
| Cypriniformes | Leuciscidae | Pelecus cultratus | native | Sichel | Sabitza |
| Perciformes/Percoidei | Percidae | Perca fluviatilis | native | European perch | Rechen kostur |
| Gobiiformes | Odontobutidae | Perccottus glenii | introduced | Chinese sleeper | |
| Cypriniformes | Leuciscidae | Petroleuciscus borysthenicus | native | Dnieper chub | |
| Cypriniformes | Leuciscidae | Phoxinus phoxinus | native | Eurasian minnow | Leshanka |
| Cypriniformes | Leuciscidae | Phoxinus strandjae | native | Bulgarian minnow | Strandzha minnow |
| Mugiliformes | Mugilidae | Planiliza haematocheilus | introduced | So-iuy mullet | Pelingas |
| Pleuronectiformes | Pleuronectidae | Platichthys flesus | native | European flounder | Pisia |
| Gobiiformes | Gobiidae | Pomatoschistus marmoratus | native | Marbled goby | |
| Gobiiformes | Gobiidae | Pomatoschistus minutus | native | Sand goby | |
| Gobiiformes | Gobiidae | Ponticola cephalargoides | native | ||
| Gobiiformes | Gobiidae | Ponticola kessleri | native | Bighead goby | |
| Gobiiformes | Gobiidae | Ponticola ratan | native | Ratan goby | |
| Gobiiformes | Gobiidae | Ponticola syrman | native | Syrman goby | |
| Gobiiformes | Gobiidae | Proterorhinus marmoratus | native | Tubenose goby | |
| Gobiiformes | Gobiidae | Proterorhinus semilunaris | native | Western tubenose goby | Western tubenose goby |
| Cypriniformes | Gobionidae | Pseudorasbora parva | introduced | Stone moroko | |
| Perciformes/Gasterosteoidei | Gasterosteidae | Pungitius platygaster | native | Southern ninespine stickleback | |
| Rajiformes | Rajidae | Raja clavata | native | Thornback ray | |
| Cypriniformes | Acheilognathidae | Rhodeus amarus | native | European bitterling | |
| Cypriniformes | Gobionidae | Romanogobio kesslerii | native | Kessler's gudgeon | |
| Cypriniformes | Gobionidae | Romanogobio uranoscopus | native | Danubian longbarbel gudgeon | |
| Cypriniformes | Leuciscidae | Rutilus frisii | native | Kutum | |
| Cypriniformes | Leuciscidae | Rutilus rutilus | native | Roach | Babushka |
| Cypriniformes | Cobitidae | Sabanejewia balcanica | native | Balcan spined loach | |
| Cypriniformes | Cobitidae | Sabanejewia bulgarica | native | ||
| Blenniiformes | Blenniidae | Salaria pavo | native | Peacock blenny | |
| Salmoniformes | Salmonidae | Salmo labrax | native | Black Sea salmon | Chernomorska pstrva |
| Salmoniformes | Salmonidae | Salvelinus fontinalis | introduced | Brook trout | Siven |
| Perciformes/Percoidei | Percidae | Sander lucioperca | native | Pike-perch | Byala riba |
| Perciformes/Percoidei | Percidae | Sander marinus | native | Estuarine perch | |
| Perciformes/Percoidei | Percidae | Sander volgensis | native | Volga pikeperch | |
| Scombriformes | Scombridae | Sarda sarda | native | Atlantic bonito | Lakerda |
| Clupeiformes | Alosidae | Sardina pilchardus | native | European pilchard | Sardina |
| Clupeiformes | Dorosomatidae | Sardinella aurita | native | Round sardinella | |
| Eupercaria/misc | Sparidae | Sarpa salpa | native | Salema | |
| Cypriniformes | Leuciscidae | Scardinius erythrophthalmus | native | Rudd | Chervenoperka |
| Eupercaria/misc | Sciaenidae | Sciaena umbra | native | Brown meagre | |
| Scombriformes | Scombridae | Scomber scombrus | native | Atlantic mackerel | |
| Pleuronectiformes | Scophthalmidae | Scophthalmus maeoticus | native | Black Sea turbot | |
| Pleuronectiformes | Scophthalmidae | Scophthalmus maximus | native | Turbot | |
| Pleuronectiformes | Scophthalmidae | Scophthalmus rhombus | native | Brill | |
| Perciformes/Scorpaenoidei | Scorpaenidae | Scorpaena porcus | native | Black scorpionfish | |
| Perciformes/Serranoidei | Serranidae | Serranus cabrilla | native | Comber | |
| Perciformes/Serranoidei | Serranidae | Serranus scriba | native | Painted comber | |
| Siluriformes | Siluridae | Silurus glanis | native | Wels catfish | Som |
| Eupercaria/misc | Sparidae | Sparus aurata | native | Gilthead seabream | |
| Carangaria/misc | Sphyraenidae | Sphyraena sphyraena | native | European barracuda | |
| Eupercaria/misc | Sparidae | Spicara maena | native | Blotched picarel | |
| Eupercaria/misc | Sparidae | Spicara smaris | native | Picarel | |
| Eupercaria/misc | Sparidae | Spondyliosoma cantharus | native | Black seabream | |
| Clupeiformes | Clupeidae | Sprattus sprattus | native | European sprat | Koparka |
| Cypriniformes | Leuciscidae | Squalius cephalus | native | Chub | Rechen cefal |
| Cypriniformes | Leuciscidae | Squalius orpheus | native | Orpheus dace | |
| Squaliformes | Squalidae | Squalus blainville | native | Longnose spurdog | Malka kuceska akula |
| Eupercaria/misc | Labridae | Symphodus cinereus | native | Grey wrasse | |
| Eupercaria/misc | Labridae | Symphodus ocellatus | native | ||
| Eupercaria/misc | Labridae | Symphodus roissali | native | Five-spotted wrasse | |
| Eupercaria/misc | Labridae | Symphodus tinca | native | East Atlantic peacock wrasse | |
| Syngnathiformes | Syngnathidae | Syngnathus abaster | native | Black-striped pipefish | Morska igla |
| Syngnathiformes | Syngnathidae | Syngnathus schmidti | native | ||
| Syngnathiformes | Syngnathidae | Syngnathus tenuirostris | native | Narrow-snouted pipefish | Narrow-snouted pipefish |
| Syngnathiformes | Syngnathidae | Syngnathus typhle | native | Broadnosed pipefish | |
| Syngnathiformes | Syngnathidae | Syngnathus variegatus | native | ||
| Scombriformes | Scombridae | Thunnus thynnus | native | Atlantic bluefin tuna | Ton |
| Salmoniformes | Salmonidae | Thymallus thymallus | native | Grayling | Lipan |
| Cypriniformes | Tincidae | Tinca tinca | native | Tench | Lin |
| Perciformes/Percoidei | Trachinidae | Trachinus draco | native | Greater weever | |
| Carangiformes | Carangidae | Trachurus mediterraneus | native | Mediterranean horse mackerel | Safrid |
| Carangiformes | Carangidae | Trachurus trachurus | native | Atlantic horse mackerel | Okeanski safrid |
| Eupercaria/misc | Sciaenidae | Umbrina cirrosa | native | Shi drum | |
| Perciformes/Uranoscopoidei | Uranoscopidae | Uranoscopus scaber | native | Stargazer | |
| Cypriniformes | Leuciscidae | Vimba melanops | native | Macedonian vimba | |
| Cypriniformes | Leuciscidae | Vimba vimba | native | Vimba bream | Morunaj |
| Carangiformes | Xiphiidae | Xiphias gladius | native | Swordfish | |
| Zeiformes | Zeidae | Zeus faber | native | John dory | |
| Perciformes/Percoidei | Percidae | Zingel streber | native | Danube streber | |
| Perciformes/Percoidei | Percidae | Zingel zingel | native | Zingel | Uretenarka |