Noun prickleback has 2 senses
  1. prickleback - small elongate fishes of shallow northern seas; a long dorsal fin consists entirely of spines
    --1 is a kind of
    blennioid fish, blennioid
    --1 has particulars: snakeblenny, Lumpenus lumpretaeformis; eelblenny
  2. stickleback, prickleback - small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research
    --2 is a kind of spiny-finned fish, acanthopterygian
    --2 is a member of Gasterosteidae, family Gasterosteidae
    --2 has particulars:
     three-spined stickleback, Gasterosteus aculeatus; ten-spined stickleback, Gasterosteus pungitius
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