Meaning of stickleback

stick•le•back

Pronunciation: (stik'ul-bak"), [key]
— n.
  1. any of the small, pugnacious, spiny-backed fishes of the family Gasterosteidae, inhabiting northern fresh waters and sea inlets, the male of which builds and guards the nest. Also called
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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