Stone loach  (Lefua nikkonis)

Taxonomy of Fishes

• Osteichthyes - Bony fishes->

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

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

      • Cyprinidae - Carps->
      • Gobionidae - Gudgeons->
      • Tincidae - Tench->
      • Cobitidae - True loaches->
      • Acheilognathidae - Bitterling-like cyprinids->
      • Leuciscidae - Chub family->
      • Nemacheilidae - Stone loaches->

        • Barbatula - Stone loaches->
        • Oxynoemacheilus - Oxynoemacheilus->
        • Lefua - Lefua->

          • Japanese eight barbeled loach (Lefua echigonia)
          • Eightbarbel loach (Lefua costata)
          • Stone loach (Lefua nikkonis)
          • Lefua pleskei (Lefua pleskei)
        • Aborichthys - Aborichthys->
        • Acanthocobitis - Acanthocobitis->
        • Afronemacheilus - Afronemacheilus->
        • Claea - Claea->
        • Draconectes - Draconectes->
        • Dzihunia - Dzihunia->
        • Eidinemacheilus - Eidinemacheilus->
        • Hedinichthys - Hedinichthys->
        • Heminoemacheilus - Heminoemacheilus->
        • Mesonoemacheilus - Mesonoemacheilus->
        • Homatula - Homatula->
        • Indoreonectes - Indoreonectes->
        • Iskandaria - Iskandaria->
        • Malihkaia - Malihkaia->
        • Micronemacheilus - Micronemacheilus->
        • Mustura - Mustura->
        • Nemacheilus - Nemacheilus->
        • Nemachilichthys - Nemachilichthys->
        • Neonoemacheilus - Neonoemacheilus->
        • Oreonectes - Oreonectes->
        • Paracanthocobitis - Paracanthocobitis->
        • Paracobitis - Paracobitis->
        • Paranemachilus - Paranemachilus->
        • Paraschistura - Paraschistura->
        • Physoschistura - Physoschistura->
        • Protonemacheilus - Protonemacheilus->
        • Pteronemacheilus - Pteronemacheilus->
        • Rhyacoschistura - Rhyacoschistura->
        • Sasanidus - Sasanidus->
        • Schistura - Schistura->
        • Sectoria - Sectoria->
        • Seminemacheilus - Seminemacheilus->
        • Speonectes - Speonectes->
        • Sphaerophysa - Sphaerophysa->
        • Sundoreonectes - Sundoreonectes->
        • Traccatichthys - Traccatichthys->
        • Triplophysa - Triplophysa->
        • Troglocobitis - Troglocobitis->
        • Troglonectes - Troglonectes->
        • Tuberoschistura - Tuberoschistura->
        • Turcinoemacheilus - Turcinoemacheilus->
        • Yunnanilus - Yunnanilus->
      • 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->
  • Dipnoi - Lungfishes->
  • Chondrostei - Sturgeons and Paddlefishes->
  • Holostei - Gars and Bowfins->
• Chondrichthyes - Cartilaginous fishes->
• Agnatha - Jawless fishes->