This is a list of fish found in and around Denmark, in both fresh water (lakes, rivers, streams and man-made pools) and salt water. The principal source is the Atlas of Danish Fishes (Fiskeatlas). This atlas comprises a published atlas of Danish freshwater fishes and a yet unpublished atlas of saltwater fishes. Common Danish names are given in parentheses after the Latin names.
Agnatha - jawless fish
Myxini - hagfish
Myxinidae - hagfish Atlantic hagfish, Myxine glutinosa (Slimål)
Petromyzontiformes - lampreys
Petromyzontidae - northern lampreys River lamprey, Lampetra fluviatilis (Flodlampret) Brook lamprey, Lampetra planeri (Bæklampret) Sea lamprey, Petromyzon marinus (Havlampret/Niøje)
Chondrichthyes - cartilaginous fish
Chimaeriformes - ratfish
Chimaeridae - short-nosed chimaeras Ratfish, Chimaera monstrosa (Havmus)
Hexanchiformes - cow sharks and frilled sharks
Hexanchidae - cow sharks Bluntnose sixgill shark, Hexanchus griseus (Seksgællet haj)
Squaliformes - dogfish sharks
Squalidae - true dogfish Spurdog, Squalus acanthias (Pighaj)
Etmopteridae - lantern sharks Velvet belly lanternshark, Etmopterus spinax (Sorthaj)
Oxynotidae - rough sharks Angular roughshark, Oxynotus centrina (Trekanthaj)
Somniosidae - sleeper sharks Greenland shark, Somniosus microcephalus (Gønlandshaj/Havkal)
Lamniformes - mackerel sharks
Cetorhinidae - basking sharks Basking shark, Cetorhinus maximus (Brugde)
Lamnidae - mackerel sharks Porbeagle, Lamna nasus (Sildehaj)
Alopiidae - thresher sharks Thresher shark, Alopias vulpinus (Rævehaj)
Carchariniformes - ground sharks
Scyliorhinidae - catsharks Blackmouth catshark, Galeus melastomus (Ringhaj) Lesser spotted dogfish, Scyliorhinus canicula (Småplettet rødhaj)
Carcharhinidae - requiem sharks Blue shark, Prionace glauca (Blåhaj)
Triakidae - houndsharks Tope, Galeorhinus galeus (Gråhaj) Starry smooth-hound, Mustelus asterias (Stjernehaj)
Squatiniformes - angel sharks
Squatinidae - angel sharks Angel shark, Squatina squatina (Havengel)
Rajiformes - skates and rays
Rajidae - skates Thorny skate, Amblyraja radiata (Tærpe) Common skate, Dipturus batis (Dværgskade) Flapper skate Dipturus intermedius (Storskade) Long-nosed skate, Dipturus oxyrinchus (Plovjernsrokke) Shagreen ray, Leucoraja fullonica (Gøgerokke) Cuckoo ray, Leucoraja naevus (Pletrokke) Blonde ray, Raja brachyura (Småplettet rokke) Thornback ray, Raja clavata (Sømrokke) Spotted ray, Raja montagui (Storplettet rokke) Sailray, Rajella lintea (Hvidrokke) Round ray, Rajella fyllae (Fyllas rokke)
Myliobatiformes - stingrays
Dasyatidae - whiptail stingrays Common stingray, Dasyatis pastinaca (Pigrokke)
Myliobatidae - eagle rays Common eagle ray, Myliobatis aquila (Ørnerokke)
Torpediniformes - electric rays
Torpedinidae - torpedo rays Marbled electric ray, Torpedo marmorata (Marmoreret elrokke) Atlantic torpedo, Torpedo nobiliana (Sort elrokke)
Osteichthyes - bony fish
Acipenseriformes - sturgeon
Acipenseridae - sturgeon Siberian sturgeon, Acipenser baerii (Sibirisk stør) Russian sturgeon, Acipenser gueldenstaedtii (Diamantstør) Atlantic sturgeon, Acipenser oxyrinchus (Vestatlantisk stør) European sea sturgeon, Acipenser sturio (Europæisk stør) Starry sturgeon, Acipenser stellatus (Stjernestør) Beluga, Huso huso (Belugastør)
Anguilliformes - true eels
Anguillidae - freshwater eels European eel, Anguilla anguilla (Ål)
Congridae - congers Conger eel, Conger conger (Havål)
Nemichthyidae - snipe eels Slender snipe eel, Nemichthys scolopaceus (Langhalet sneppeål)
Clupeiformes - herring
Clupeidae - true herrings Allis shad, Alosa alosa (Majsild) Twaite shad, Alosa fallax (Stavsild) Atlantic herring, Clupea harengus (Sild) Sprat, Sprattus sprattus (Brisling) European pilchard, Sardina pilchardus (Sardin)
Engraulidae - anchovies European anchovy, Engraulis encrasicolus (Ansjos)
Cypriniformes - carp and allies
Cyprinidae - carp, minnows and barbs Common bream/bronze bream/skimmer bream, Abramis brama (Brasen) Bleak, Alburnus alburnus (Løje) Silver bream, Blicca bjoerkna (Flire) Goldfish, Carassius auratus (Sølvkarusse/Guldfisk) Crucian carp, Carassius carassius (Karusse) Grass carp, Ctenopharygodon idella (Græskarpe) Common carp, Cyprinus carpio (Karpe) Gudgeon, Gobio gobio (Grundling) Silver carp, Hypophthalmichthys molitrix (Sølvkarpe) Sunbleak, Leucaspius delineatus (Regnløje) Orfe, Leuciscus idus (Rimte) Common dace, Leuciscus leuciscus (Strømskalle) Eurasian minnow, Phoxinus phoxinus (Elritse) Topmouth gudgeon, Pseudorasbora parva (Båndgrundling) European bitterling, Rhodeus amarus (Bitterling) Roach, Rutilus rutilus (Skalle) Common rudd, Scardinius erythrophthalmus (Rudskalle) Tench, Tinca tinca (Suder)
Cobitidae - true loaches Spined loach, Cobitis taenia (Pigsmerling) European weatherfish, Misgurnus fossilis (Dyndsmerling)
Nemacheilidae - stone loaches Stone loach, Barbatula barbatula (Smerling)
Siluriformes - catfish
Ictaluridae - bullhead catfish Brown bullhead, Ameiurus nebulosus (Brun dværgmalle)
Siluridae - Eurasian catfish Wels catfish, Silurus glanis (Europæisk malle)
Esociformes - pike
Esocidae - pike Northern pike, Esox lucius (Gedde)
Osmeriformes - smelt
Osmeridae - smelt European smelt, Osmerus eperlanus (Smelt)
Argentiniformes - argentines and slickheads
Argentinidae - argentines Greater argentine, Argentina silus (Guldlaks) Lesser argentine, Argentina sphyraena (Strømsild)
Stomiiformes - dragonfish and marine hatchetfish
Sternoptychidae - marine hatchetfishes Atlantic hatchetfish, Argyropelacus olfersii (Olfers sølvøkse)
Salmoniformes - salmon and trout
Salmonidae - salmon and trout European cisco, Coregonus albula (Heltling) Maraena whitefish, Coregonus maraena (Helt/Snæbel) Pink salmon, Oncorhynchus gorbuscha (Pukkellaks) Coho salmon, Oncorhynchus kisutch (Sølvlaks) Rainbow trout, Oncorhynchus mykiss (Regnbueørred) Atlantic salmon, Salmo salar (Laks) Brown trout/sea trout/Dollaghan, Salmo trutta (Havørred) Grayling, Thymallus thymallus (Stalling)
Stomiiformes - dragonfish and marine hatchetfish
Sternoptychidae - marine hatchetfishes Mueller's pearlside, Maurolicus muelleri (Laksesild)
Aulopiformes - grinners
Paralepididae - barracudinas Duckbill barracudina, Magnisudis atlantica (Kort laksetobis)
Myctophiformes - lanternfish
Myctophidae - lanternfish Spotted lanternfish, Myctophum punctatum (Slankhalet prikfisk) Lancet fish, Notoscopelus kroyeri (Krøjers prikfisk)
Lampriformes - opahs and allies
Lampridae - opahs Opah, Lampris guttatus (Glansfisk)
Regalecidae - oarfish Giant oarfish, Regalecus glesne (Sildekonge)
Trachipteridae - ribbonfish Dealfish, Trachipterus arcticus (Vågmær)
Gadiformes - cod
Lotidae - lings Cusk, Brosme brosme (Brosme) Fivebeard rockling, Ciliata mustela (Femtrådet havkvabbe) Four-bearded rockling, Enchelyopus cimbrius (Firtrådet havkvabbe) Three-bearded rockling, Gaidropsarus vulgaris (Tretrådet havkvabbe) Burbot, Lota lota (Knude) Blue ling, Molva dypterygia (Byrkelange) Common ling, Molva molva (Lange)
Gadidae - codfishes Thor's pout, Gadiculus thori (Sølvtorsk) Atlantic cod, Gadus morhua (Torsk) Haddock, Melanogrammus aeglefinus (Kuller) Whiting, Merlangius merlangus (Hvilling) Blue whiting, Micromesistius poutassou (Blåvilling/Sortmund) Pollock, Pollachius pollachus (Lubbe/Lyssej) Saithe, Pollachius virens (Sej/mørksej) Tadpole fish, Raniceps raninus (Sortvels) Norway pout, Trisopterus esmarcki (Sperling) Pouting, Trisopterus luscus (Skægtorsk) Poor cod, Trisopterus minutus (Glyse)
Merlucciidae - hakes European hake, Merluccius merluccius (Kulmule)
Phycidae - forkbeards Greater forkbeard, Phycis blennoides (Skælbrosme)
Macrouridae - grenadiers Rock grenadier, Coryphaenoides rupestris (Skolæst) Softhead grenadier, Malacocephalus laevis (Småskællet skolæst)
Lophiiformes - anglerfish
Lophiidae - goosefish Blackbellied angler, Lophius budegassa (Sort havtaske) Monkfish, Lophius piscatorius (Havtaske)
Mugiliformes - mullet
Mugilidae - mullet Thicklip grey mullet, Chelon labrosus (Tyklæbet multe) Golden grey mullet, Liza aurata (Guldmulte) Thinlip mullet, Liza ramada (Tyndlæbet multe)
Atheriniformes - sand smelts
Atherinidae - sand smelts Sand smelt, Atherina presbyter (Stribefisk)
Beloniformes - garfish and allies
Belonidae - garfish Garfish, Belone belone (Hornfisk)
Scomberesocidae - sauries Atlantic saury, Scomberesox saurus (Makrelgedde)
Exocoetidae - flyingfish Mediterranean flyingfish, Cheilopogon heterurus (Flyvefisk)
Zeiformes - dories
Zeidae - true dories John Dory, Zeus faber (Sankt Petersfisk)
Beryciformes - alfonsinos and allies
Berycidae - alfonsinos Alfonsino, Beryx decadactylus (Nordisk beryx)
Gasterosteiformes - sticklebacks and seahorses
Centriscidae - snipefish Longspine snipefish, Macroramphosus scolopax (Sneppefisk)
Syngnathidae - pipefish and seahorses Snake pipefish, Entelurus aequoreus (Snippe) Long-snouted seahorse, Hippocampus guttulatus (Almindelig søhest) Short-snouted seahorse, Hippocampus hippocampus (Kortsnudet søhest) Worm pipefish, Nerophis lumbriciformis (Krumsnudet næbsnog) Straightnose pipefish, Nerophis ophidion (Stor næbsnog) Greater pipefish, Syngathus acus (Stor tangnål) Lesser pipefish, Syngnathus rostellatus (Lille tangnål) Broadnosed pipefish, Syngnathus typhle (Almindelig tangnål)
Gasterosteidae - sticklebacks Three-spined stickleback, Gasterosteus aculeatus (Trepigget hundestejle) Nine-spined stickleback, Pungitius pungitius (Nipigget hundestejle) Fifteen-spined stickleback, Spinachia spinachia (Tangsnarre)
Tetraodontiformes - ocean sunfish and allies
Molidae - ocean sunfish Ocean sunfish, Mola mola (Klumpfisk)
Balistidae - triggerfish Grey triggerfish, Balistes capriscus (Aftrækkerfisk)
Pleuronectiformes - flatfish
Scophthalmidae - turbots Megrim, Lepidorhombus whiffiagonis (Glashvarre) European turbot, Psetta maxima (Pigvar) Brill, Scophthalmus rhombus (Slethvarre) Norwegian topknot, Zeugopterus norvegicus (Småhvarre) Common topknot, Zeugopterus punctatus (Hårhvarre)
Pleuronectidae - flounders Torbay sole, Glyptocephalus cynoglossus (Skærising) Long rough dab, Hippoglossoides platessoides (Håising) Atlantic halibut, Hippoglossus hippoglossus (Helleflynder) Common dab, Limanda limanda (Ising) Lemon sole, Microstomus kitt (Rødtunge) European flounder, Platichthys flesus (Skrubbe) European plaice, Pleuronectes platessa (Rødspætte)
Soleidae - true soles Solenette, Buglossidium luteum (Glastunge) Dover sole, Solea solea (Tunge/Søtunge)
Bothidae - scaldfish Mediterranean scaldfish, Arnoglossus laterna (Tungehvarre)
Scorpaeniformes - scorpionfish and allies
Agonidae - poachers Pogge, Agonus cataphractus (Panserulk)
Cottidae - sculpins Father lasher, Myoxocephalus scorpius (Almindelig ulk) European bullhead, Cottus gobio (Almindelig ferskvandsulk) Alpine bullhead, Cottus poecilopus (Finnestribet ferskvandsulk) Long-spined sea scorpion, Taurulus bubalis (Langtornet ulk) Norway bullhead, Taurulus lilljeborgi (Dværgulk) Moustache sculpin, Triglops murrayi (Murrays knurulk)
Cyclopteridae - lumpsuckers Lumpsucker, Cyclopterus lumpus (Stenbider)
Liparidae - snailfish Common seasnail, Liparis liparis (Finnebræmmet ringbug) Montagu's snailfish, Liparis montagui (Særfinnet ringbug)
Sebastidae - rockfish (seaperch) Bluemouth, Helicolenus dactylopterus (Blåkæft) Norway haddock, Sebastes norvegicus (Stor rødfisk) Red perch, Sebastes viviparus (Lille rødfisk)
Triglidae - gurnards Red gurnard, Aspitriglia cuculus (Tværstribet knurhane) Grey gurnard, Eutriglia gurnardus (Grå knurhane) Long-finned gurnard, Lepidotrigla argus Tub gurnard, Trigla lucerna (Rød knurhane) Piper gurnard, Trigla lyra (Langpigget knurhane)
Perciformes - perchlike fishes
Bramidae - pomfrets Atlantic pomfret, Brama brama (Havbrasen)
Carangidae - jacks Derbio, Trachinotus ovatus (Gaffelmakrel) Atlantic horse mackerel, Trachurus trachurus (Hestemakrel)
Centrarchidae - freshwater sunfish Pumpkinseed, Lepomis gibbosus (Almindelig solaborre)