Slender horseface loach  (Acantopsis ioa)

Taxonomy of Fishes

• Osteichthyes - Bony fishes->

  • Coelacanthi - Lobe-finned fishes->
  • Teleostei - Ray-finned fishes->

    • Perciformes - Perches->
    • Cypriniformes - Carps->

      • Cyprinidae - Carps->
      • Gobionidae - Gudgeons->
      • Tincidae - Tench->
      • Cobitidae - True loaches->

        • Cobitis - Spiny loaches->
        • Misgurnus - True Loaches->
        • Sabanejewia - Golden Loaches->
        • Acanthopsoides - Acanthopsoides->
        • Acantopsis - Acantopsis->

          • Acantopsis dialuzona (Acantopsis dialuzona)
          • Peppered horseface loach (Acantopsis dinema)
          • Slender horseface loach (Acantopsis ioa)
          • Acantopsis multistigmatus (Acantopsis multistigmatus)
          • Acantopsis octoactinotos (Acantopsis octoactinotos)
          • Piebald horseface loach (Acantopsis rungthipae)
          • Acantopsis spectabilis (Acantopsis spectabilis)
          • Acantopsis thiemmedhi (Acantopsis thiemmedhi)
        • Aperioptus - Aperioptus->
        • Bibarba - Bibarba->
        • Canthophrys - Canthophrys->
        • Iksookimia - Iksookimia->
        • Kichulchoia - Kichulchoia->
        • Koreocobitis - Koreocobitis->
        • Kottelatlimia - Kottelatlimia->
        • Lepidocephalichthys - Lepidocephalichthys->
        • Lepidocephalus - Lepidocephalus->
        • Microcobitis - Microcobitis->
        • Paralepidocephalus - Paralepidocephalus->
        • Neoeucirrhichthys - Neoeucirrhichthys->
        • Niwaella - Niwaella->
        • Pangio - Pangio->
        • Paramisgurnus - Paramisgurnus->
        • Protocobitis - Protocobitis->
        • Theriodes - Theriodes->
      • Acheilognathidae - Bitterling-like cyprinids->
      • Leuciscidae - Chub family->
      • Nemacheilidae - Stone loaches->
      • Xenocyprididae - East Asian minnows->
      • Catostomidae - Suckers->
      • Leptobarbidae - Cigar barbs->
      • Balitoridae - River loaches->
      • Barbuccidae - Fire-eyed loaches->
      • Botiidae - Pointface loaches->
      • Danionidae - Danios->
      • Ellopostomatidae - Square-head loaches->
      • Gastromyzontidae - Hillstream loaches->
      • Gyrinocheilidae - Algae eaters->
      • Paedocyprididae - Tiny carps->
      • Psilorhynchidae - Mountain carps->
      • Serpenticobitidae - Snake loaches->
      • Sundadanionidae - Tiny danios->
      • Tanichthyidae - Mountain minnows->
      • Vaillantellidae - Longfin loaches->
    • 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->
    • 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->
  • Dipneusti - Lungfishes->
  • Chondrostei - Sturgeons->
  • Holostei - Gars and Bowfins->
• Chondrichthyes - Cartilaginous fishes->
• Agnatha - Jawless fishes->