Grey knifefish  (Bathystethus cultratus)

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Taxonomy of Fishes

• Osteichthyes - Bony fishes->

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

      • Centrarchidae - Sunfishes->
      • Sinipercidae - Chinese perches->
      • Percalatidae - Australian basses->
      • Percichthyidae - Temperate perches->
      • Terapontidae - Grunters or Tigerperches->
      • Girellidae - Nibblers->
      • Dichistiidae - Galjoen fishes->
      • Chironemidae - Kelpfishes->
      • Latridae - Trumpeters->
      • Scorpididae - Scorpididae->

        • Scorpis - Scorpis->
        • Bathystethus - Bathystethus->

          • Grey knifefish (Bathystethus cultratus)
          • Silver knifefish (Bathystethus orientale)
        • Labracoglossa - Labracoglossa->
        • Medialuna - Medialuna->
      • Microcanthidae - Stripeys->
      • Kyphosidae - Sea chubs->
      • Cirrhitoidea - Hawkfishes->
      • Aplodactylidae - Marblefishes->
      • Cheilodactylidae - Morwongs->
      • Cirrhitidae - Hawkfishes->
      • Elassomatidae - Pygmy sunfishes->
      • Enoplosidae - Oldwife->
      • Kuhliidae - Aholeholes->
      • Oplegnathidae - Knifejaws->
      • Parascorpididae - Jutjaws->
      • Perciliidae - Southern basses->
    • 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->