#Pisces  a group of vertebrates comprising both cartilaginous and bony fishes and sometimes including the jawless vertebrates; not used technically
  supertype:  division.biological_group  (biology) a group of organisms forming a subdivision of a larger category
  member of:  subphylum_Vertebrata
  member:  fish  any of various mostly cold-blooded aquatic vertebrates usually having scales and breathing through gills

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