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Noun: plectognath  'plek,tóg,nath
  1. Tropical marine fishes having the teeth fused into a beak and thick skin covered with bony plates or spines
    - plectognath fish

Derived forms: plectognaths

Type of: acanthopterygian, spiny-finned fish

Part of: order Plectognathi, order Tetraodontiformes, Plectognathi