List of fish in Austria

The list of fish in Austria consists of indigenous, and also introduced species. In total it consists of 98 species, including 5 which are extinct. The following tags note species in each of those categories:
 * (I) - Introduced
 * (En) - Endemic
 * (Ex) - Extirpated
 * (E) - Extinct

Order Petromyzontiformes (lampreys)
Family Petromyzontidae (northern lampreys)
 * Ukrainian brook lamprey (Eudontomyzon mariae)
 * Danubian brook lamprey (Eudontomyzon vladykovi)
 * European brook lamprey (Lampetra planeri)

Order Acipenseriformes (sturgeons and paddlefishes)
Family Acipenseridae (sturgeon)
 * Sterlet (Acipenser ruthenus)
 * Russian sturgeon (Acipenser gueldenstaedtii) (Ex)
 * Bastard sturgeon (Acipenser nudiventris) (Ex)
 * Starry sturgeon (Acipenser stellatus) (Ex)
 * Beluga (Huso huso) (Ex)

Order Anguilliformes (eels)
Family Anguillidae (freshwater eels)
 * European eel (Anguilla anguilla)

Order Cypriniformes (carps, minnows and relatives)
Family Cobitidae (true loaches) Family Nemacheilidae (stone loaches) Family Cyprinidae (carp and minnows) Family Tincidae (tenches) Family Acheilognathidae (bitterling-like cyprinids) Family Gobionidae (gudgeons) Family Leuciscidae (true minnows)
 * Cobitis elongatoides (Cobitis elongatoides)
 * Spined loach (Cobitis taenia)
 * Weatherfish (Misgurnus fossilis)
 * Balkan golden loach (Sabanejewia balcanica)
 * Stone loach (Barbatula barbatula)
 * Danube barbel (Barbus balcanicus)
 * Common barbel (Barbus barbus)
 * Carpathian barbel (Barbus carpathicus)
 * Mediterranean barbel (Barbus meridionalis)
 * Italian barbel (Barbus plebejus)
 * Goldfish (Carassius auratus) (I)
 * Crucian carp (Carassius carassius)
 * Prussian carp (Carassius gibelio)
 * Common carp (Cyprinus carpio)
 * Tench (Tinca tinca)
 * European bitterling (Rhodeus amarus)
 * Gudgeon (Gobio gobio)
 * Stone moroko (Pseudorasbora parva) (I)
 * Kessler's gudgeon (Romanogobio kesslerii)
 * Danubian gudgeon (Romanogobio uranoscopus)
 * Danube whitefin gudgeon (Romanogobio vladykovi)
 * Common bream (Abramis brama)
 * Schneider (Alburnoides bipunctatus)
 * Common bleak (Alburnus alburnus)
 * Danube bleak (Alburnus chalcoides)
 * Alburnus mento (Alburnus mento)
 * Zope (Ballerus ballerus)
 * White-eye bream (Ballerus sapa)
 * White bream (Blicca bjoerkna)
 * Common nase (Chondrostoma nasus)
 * Sunbleak (Leucaspius delineatus)
 * Asp (Leuciscus aspius)
 * Ide (Leuciscus idus)
 * Common dace (Leuciscus leuciscus)
 * Ziege (Pelecus cultratus)
 * Common minnow (Phoxinus phoxinus)
 * Pearl roach (Rutilus meidingeri)
 * Common roach (Rutilus rutilus)
 * Common rudd (Scardinius erythrophthalmus)
 * Chub (Squalius cephalus)
 * Souffia (Telestes souffia)
 * Vimba elongata (Vimba elongata)
 * Vimba bream (Vimba vimba)

Order Siluriformes (catfishes)
Family Siluridae (sheatfishes) Family Ictaluridae (North American catfishes)
 * Wels catfish (Silurus glanis)
 * Black bullhead (Ameiurus melas) (I)
 * Brown bullhead (Ameiurus nebulosus) (I)

Order Esociformes (pikes and mudminnows)
Family Esocidae (pikes) Family Umbridae (mudminnows)
 * Northern pike (Esox lucius)
 * European mudminnow (Umbra krameri)

Order Salmoniformes (salmons, trouts and whitefishes)
Family Salmonidae (salmons, trouts and whitefishes)
 * Coregonus arenicolus (Coregonus arenicolus)
 * Reinanke (Coregonus atterensis) (En)
 * Kröpfling (Coregonus austriacus) (En)
 * Riedling (Coregonus danneri) (En)
 * Lake Constance whitefish (Coregonus gutturosus) (E)
 * Coregonus macrophthalmus (Coregonus macrophthalmus)
 * Houting (Coregonus oxyrinchus)
 * Peled (Coregonus peled)
 * Coregonus renke (Coregonus renke)
 * Blaufelchen (Coregonus wartmanni)
 * Huchen (Hucho hucho)
 * Rainbow trout (Oncorhynchus mykiss) (I)
 * Austrian Lakes trout (Salmo schiefermuelleri)
 * Brook trout (Salvelinus fontinalis) (I)
 * Lake trout (Salvelinus namaycush) (I)
 * Lake Constance deepwater char (Salvelinus profundus)
 * Lake char (Salvelinus umbla)
 * European grayling (Thymallus thymallus)

Order Gadiformes (cods)
Family Lotidae (hakes and burbots)
 * Burbot (Lota lota)

Order Gobiiformes (gobies and allies)
Family Gobiidae (gobies)
 * Racer goby (Babka gymnotrachelus) (I)
 * Round goby (Neogobius melanostomus) (I)
 * Bighead goby (Ponticola kessleri) (I)
 * Tubenose goby (Proterorhinus marmoratus)
 * Western tubenose goby (Proterorhinus semilunaris) (I)

Order Cichliformes (cichlids, damselfishes and allies)
Family Cichlidae (cichlids)
 * Banded jewelfish (Hemichromis fasciatus) (I)
 * Jewel cichlid (Rubricatochromis guttatus) (I)

Order Centrarchiformes (freshwater sunfishes and allies)
Family Centrarchidae (freshwater sunfishes)
 * Pumpkinseed (Lepomis gibbosus) (I)
 * Smallmouth bass (Micropterus dolomieu) (I)
 * Largemouth bass (Micropterus salmoides) (I)

Order Perciformes (perch-like fishes)
Family Percidae (perches, darters and allies)
 * Balon's ruffe (Gymnocephalus baloni)
 * Ruffe (Gymnocephalus cernua)
 * Schraetzer (Gymnocephalus schraetser)
 * European perch (Perca fluviatilis)
 * Zander (Sander lucioperca)
 * Volga pikeperch (Sander volgensis)
 * Streber (Zingel streber)
 * Zingel (Zingel zingel)

Order Scorpaeniformes (sculpins and allies)
Family Gasterosteidae (sticklebacks) Family Cottidae (cottids)
 * Three-spined stickleback (Gasterosteus aculeatus) (I)
 * Ninespine stickleback (Pungitius pungitius) (I)
 * European bullhead (Cottus gobio)