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Meaning of threadfish

thread•fish

Pronunciation: (thred'fish"), [key]
— pl. -fish, -fish•es.
  1. any of several jacks of the genus Alectis, esp. A. ciliaris, having the front rays of the dorsal and anal fins greatly elongated.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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