Twinhook cusk  (Diancistrus longifilis)

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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->
    • 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->

      • Ophidiidae - Cusk-eels->
      • Aphyonidae - Blind cusk eels->
      • Bythitidae - Livebearing brotulas->
      • Carapidae - Pearlfishes->
      • Dinematichthyidae - Viviparous brotula->

        • Alionematichthys - Alionematichthys->
        • Beaglichthys - Beaglichthys->
        • Brosmolus - Brosmolus->
        • Brotulinella - Brotulinella->
        • Dipulus - Dipulus->
        • Dactylosurculus - Dactylosurculus->
        • Dermatopsis - Dermatopsis->
        • Dermatopsoides - Dermatopsoides->
        • Diancistrus - Diancistrus->

          • Winged coralbrotula (Diancistrus alatus)
          • Allen’s coralbrotula (Diancistrus alleni)
          • Humpbacked coralbrotula (Diancistrus altidorsalis)
          • Atoll coralbrotula (Diancistrus atollorum)
          • Beate’s coralbrotula (Diancistrus beateae)
          • Shortnosed coralbrotula (Diancistrus brevirostris)
          • Lonely coralbrotula (Diancistrus eremitus)
          • Red viviparous brotula (Diancistrus erythraeus)
          • Fiji coralbrotula (Diancistrus fijiensis)
          • Dusky brotulid (Diancistrus fuscus)
          • Randall’s coralbrotula (Diancistrus jackrandalli)
          • Johnson’s coralbrotula (Diancistrus jeffjohnsoni)
          • Karin’s coralbrotula (Diancistrus karinae)
          • Katrine’s coralbrotula (Diancistrus katrineae)
          • Leis’ coralbrotula (Diancistrus leisi)
          • Twinhook cusk (Diancistrus longifilis)
          • Machida’s coralbrotula (Diancistrus machidai)
          • Few-pored coralbrotula (Diancistrus manciporus)
          • Mcgrouther’s coralbrotula (Diancistrus mcgroutheri)
          • Menne’s coralbrotula (Diancistrus mennei)
          • Dark coralbrotula (Diancistrus niger)
          • New guinea viviparous brotula (Diancistrus novaeguineae)
          • Pohnpei coralbrotula (Diancistrus pohnpeiensis)
          • Robust coralbrotula (Diancistrus robustus)
          • Springer’s coralbrotula (Diancistrus springeri)
          • Tonga coralbrotula (Diancistrus tongaensis)
          • Diancistrus typhlops (Diancistrus typhlops)
          • Vietnam coralbrotula (Diancistrus vietnamensis)
        • Didymothallus - Didymothallus->
        • Dinematichthys - Dinematichthys->
        • Eusurculus - Eusurculus->
        • Gunterichthys - Gunterichthys->
        • Lapitaichthys - Lapitaichthys->
        • Mascarenichthys - Mascarenichthys->
        • Monothrix - Monothrix->
        • Nielsenichthys - Nielsenichthys->
        • Ogilbia - Ogilbia->
        • Ogilbichthys - Ogilbichthys->
        • Paradiancistrus - Paradiancistrus->
        • Porocephalichthys - Porocephalichthys->
        • Pseudogilbia - Pseudogilbia->
        • Typhliasina - Typhliasina->
        • Ungusurculus - Ungusurculus->
        • Zephyrichthys - Zephyrichthys->
      • Parabrotulidae - False brotulas->
    • 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->