A bigeye squirrelfish.
bigeye definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
any of a family (Priacanthidae) of small, red, tropical percoid fishes with large eyes and a short body
bigeye definition by American Heritage Dictionary
Any of several small tropical marine fishes of the family Priacanthidae, having large eyes and reddish scales.