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Noun: stickleback  'sti-kul,bak
  1. Small (2-4 inches) pugnacious mostly scaleless spiny-backed fishes of northern fresh and littoral waters having elaborate courtship; subjects of much research
    - prickleback

Derived forms: sticklebacks

Type of: acanthopterygian, spiny-finned fish

Part of: family Gasterosteidae, Gasterosteidae

Encyclopedia: Stickleback