plectognath fish

Definitions of plectognath fish
  1. noun
    tropical marine fishes having the teeth fused into a beak and thick skin covered with bony plates or spines
    synonyms: plectognath
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    any of numerous compressed deep-bodied tropical fishes with sandpapery skin and erectile spines in the first dorsal fin
    narrow flattened warm-water fishes with leathery skin and a long file-like dorsal spine
    boxfish, trunkfish
    any of numerous small tropical fishes having body and head encased in bony plates
    blowfish, globefish, puffer, pufferfish
    any of numerous marine fishes whose elongated spiny body can inflate itself with water or air to form a globe; several species contain a potent nerve poison; closely related to spiny puffers
    spiny puffer
    puffers having rigid or erectile spines
    headfish, mola, ocean sunfish, sunfish
    among the largest bony fish; pelagic fish having an oval compressed body with high dorsal and anal fins and caudal fin reduced to a rudder-like lobe; worldwide in warm waters
    Balistes vetula, Bessy cerca, oldwench, oldwife, queen triggerfish
    tropical Atlantic fish
    leatherfish, leatherjacket
    any of several brightly colored tropical filefishes
    Lactophrys quadricornis, cowfish
    trunkfish having hornlike spines over the eyes
    Diodon hystrix, porcupine fish, porcupinefish
    spines become erect when the body is inflated; worldwide in warm waters
    Diodon holocanthus, balloonfish
    similar to but smaller than porcupinefish
    any of several fishes having rigid flattened spines
    Mola lanceolata, sharptail mola
    caudal fin has a central projection
    type of:
    acanthopterygian, spiny-finned fish
    a teleost fish with fins that are supported by sharp inflexible rays
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