Sleek unicornfish  (Naso hexacanthus)

Taxonomy of Fishes

• Osteichthyes - Bony fishes->

  • Actinistia - Lobe-finned fishes->
  • Actinopteri - Ray-finned fishes->

    • Perciformes - Perches->
    • Cypriniformes - Carps->
    • Esociformes - Pikes->
    • Salmoniformes - Salmons and Trouts->
    • Siluriformes - Catfishes->
    • Scorpaeniformes - Mail-cheeked fishes->
    • Gasterosteiformes - Sticklebacks->
    • Gadiformes - Cods->
    • Anguilliformes - Eels and morays->
    • Clupeiformes - Herrings->
    • Syngnathiformes - Pipefishes and Seahorses->
    • Gobiiformes - Gobies->
    • Mugiliformes - Mullets->
    • Carangiformes - Jacks->
    • Beloniformes - Needlefishes->
    • Labriformes - Wrasses->
    • Scombriformes - Mackerels->
    • Mulliformes - Goatfishes->
    • Pleuronectiformes - Flatfishes->
    • Aulopiformes - Grinners->
    • Blenniiformes - Blennies->
    • Cyprinodontiformes - Toothcarps->
    • Osmeriformes - Smelts->
    • Centrarchiformes - Basses and sunfishes->
    • Cichliformes - Cichlids->
    • Characiformes - Characins->
    • Osteoglossiformes - Bony tongues->
    • Elopiformes - Tarpons and tenpounders->
    • Anabantiformes - Gouramies and snakeheads->
    • Gymnotiformes - South American knifefish->
    • Istiophoriformes - Barracudas->
    • Albuliformes - Bonefishes->
    • Lepidogalaxiiformes - Salamanderfishes->
    • Lophiiformes - Anglerfishes->
    • Spariformes - Breams and porgies->
    • Trachiniformes - Weeverfishes->
    • Moroniformes - Temperate basses->
    • Acanthuriformes - Surgeonfishes->

      • Acanthuridae - Surgeonfishes->

        • Acanthurus - Surgeonfishes->
        • Naso - Unicornfishes ->

          • Short-nosed unicornfish (Naso brevirostris)
          • Bluespine unicornfish (Naso unicornis)
          • Whitemargin unicornfish (Naso annulatus)
          • Humpback unicornfish (Naso brachycentron)
          • Blue unicorn (Naso caeruleacauda)
          • Gray unicornfish (Naso caesius)
          • Elegant unicornfish (Naso elegans)
          • Horseface unicornfish (Naso fageni)
          • Sleek unicornfish (Naso hexacanthus)
          • Orangespine unicornfish (Naso lituratus)
          • Elongate unicornfish (Naso lopezi)
          • Spotted unicornfish (Naso maculatus)
          • Squarenose unicornfish (Naso mcdadei)
          • Slender unicorn (Naso minor)
          • Reticulate unicornfish (Naso reticulatus)
          • Naso tergus (Naso tergus)
          • Oneknife unicornfish (Naso thynnoides)
          • Bulbnose unicornfish (Naso tonganus)
          • Humpnose unicornfish (Naso tuberosus)
          • Bignose unicornfish (Naso vlamingii)
        • Paracanthurus - Paracanthurus->
        • Ctenochaetus - Ctenochaetus->
        • Prionurus - Prionurus->
        • Zebrasoma - Zebrasoma->
      • Sciaenidae - Drums->
      • Pomacanthidae - Marine angelfish->
      • Ephippidae - Spadefishes->
      • Chaetodontidae - Butterflyfishes->
      • Siganidae - Rabbitfishes->
      • Scatophagidae - Scats->
      • Drepaneidae - Sicklefishes->
      • Antigoniidae - Deepbody boarfishes->
      • Caproidae - Boarfishes->
      • Emmelichthyidae - Rovers->
      • Leiognathidae - Slimys, slipmouths, or ponyfishes->
      • Luvaridae - Louvar->
      • Zanclidae - Moorish idol->
    • Zeiformes - Dories->
    • Tetraodontiformes - Puffers and filefishes->
    • Holocentriformes - Squirrelfishes->
    • Dactylopteriformes - Flying gurnards->
    • Lampriformes - Lamprids->
    • Galaxiiformes - Southern smelts->
    • Batrachoidiformes - Toadfishes->
    • Hiodontiformes - Mooneyes->
    • Percopsiformes - Trout-perches->
    • Callionymiformes - Dragonets->
    • Atheriniformes - Silversides->
    • Notacanthiformes - Spiny eels->
    • Saccopharyngiformes - Swallowers and Gulpers->
    • Alepocephaliformes - Slickheads and tubeshoulders->
    • Gonorynchiformes - Milkfishes->
    • Argentiniformes - Marine smelts->
    • Stomiiformes - Lightfishes and dragonfishes->
    • Ateleopodiformes - Jellynose fishes->
    • Myctophiformes - Lanternfishes->
    • Stylephoriformes - Tube-eyes->
    • Polymixiiformes - Beardfishes->
    • Beryciformes - Sawbellies->
    • Trachichthyiformes - Rughies->
    • Ophidiiformes - Cusk-eels->
    • Kurtiformes - Nurseryfishes & Cardinalfishes->
    • Synbranchiformes - Swamp eels->
    • Gobiesociformes - Clingfishes->
    • Acropomatiformes - Oceanic basses->
  • Cladistii - Bichirs->
  • Dipnoi - Lungfishes->
  • Chondrostei - Sturgeons and Paddlefishes->
  • Holostei - Gars and Bowfins->
• Chondrichthyes - Cartilaginous fishes->
• Agnatha - Jawless fishes->