Letter opener  (Ophidion nocomis)

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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->

        • Spectrunculus - Cusk-eels->
        • Lamprogrammus - Lamprogrammus->
        • Brotula - Brotulas->
        • Abyssobrotula - Abyssobrotula->
        • Acanthonus - Acanthonus->
        • Alcockia - Alcockia->
        • Apagesoma - Apagesoma->
        • Barathrites - Barathrites->
        • Barathrodemus - Barathrodemus->
        • Bassogigas - Bassogigas->
        • Bassozetus - Bassozetus->
        • Bathyonus - Bathyonus->
        • Benthocometes - Benthocometes->
        • Brotulotaenia - Brotulotaenia->
        • Cherublemma - Cherublemma->
        • Chilara - Chilara->
        • Enchelybrotula - Enchelybrotula->
        • Dannevigia - Dannevigia->
        • Dicrolene - Dicrolene->
        • Epetriodus - Epetriodus->
        • Eretmichthys - Eretmichthys->
        • Genypterus - Genypterus->
        • Glyptophidium - Glyptophidium->
        • Holcomycteronus - Holcomycteronus->
        • Homostolus - Homostolus->
        • Hoplobrotula - Hoplobrotula->
        • Hypopleuron - Hypopleuron->
        • Lepophidium - Lepophidium->
        • Leptobrotula - Leptobrotula->
        • Leucicorus - Leucicorus->
        • Luciobrotula - Luciobrotula->
        • Mastigopterus - Mastigopterus->
        • Monomitopus - Monomitopus->
        • Otophidium - Otophidium->
        • Neobythites - Neobythites->
        • Neobythitoides - Neobythitoides->
        • Ophidion - Ophidion->

          • Longnose cusk-eel (Ophidion antipholus)
          • Ophidion asiro (Ophidion asiro)
          • Snake blenny (Ophidion barbatum)
          • Shorthead cusk-eel (Ophidion dromio)
          • Exile cusk eel (Ophidion exul)
          • Earspot cusk eel (Ophidion fulvum)
          • Striped cusk eel (Ophidion galeoides)
          • Ravenous cusk (Ophidion genyopus)
          • Blotched cusk-eel (Ophidion grayi)
          • Guianan cusk-eel (Ophidion guianense)
          • Band cusk-eel (Ophidion holbrookii)
          • Mimic cusk-eel (Ophidion imitator)
          • Rainbow cusk eel (Ophidion iris)
          • Ophidion josephi (Ophidion josephi)
          • Harelip cusk (Ophidion lagochila)
          • Ophidion lozanoi (Ophidion lozanoi)
          • Striped cusk-eel (Ophidion marginatum)
          • Ophidion metoecus (Ophidion metoecus)
          • Blackedge cusk (Ophidion muraenolepis)
          • Letter opener (Ophidion nocomis)
          • Pallid cusk-eel (Ophidion puck)
          • Colonial cusk-eel (Ophidion robinsi)
          • Ophidion rochei (Ophidion rochei)
          • Ophidion saldanhai (Ophidion saldanhai)
          • Basketweave cusk-eel (Ophidion scrippsae)
          • Mooneye cusk-eel (Ophidion selenops)
          • Ophidion smithi (Ophidion smithi)
        • Parophidion - Parophidion->
        • Penopus - Penopus->
        • Porogadus - Porogadus->
        • Pycnocraspedum - Pycnocraspedum->
        • Raneya - Raneya->
        • Selachophidium - Selachophidium->
        • Sirembo - Sirembo->
        • Spottobrotula - Spottobrotula->
        • Tauredophidium - Tauredophidium->
        • Tenuicephalus - Tenuicephalus->
        • Typhlonus - Typhlonus->
        • Ventichthys - Ventichthys->
        • Xyelacyba - Xyelacyba->
      • Aphyonidae - Blind cusk eels->
      • Bythitidae - Livebearing brotulas->
      • Carapidae - Pearlfishes->
      • Dinematichthyidae - Viviparous brotula->
      • 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->