bigeye tuna(redirected from Thunus obesus)
A commercially important tuna (Thunnus obesus) with yellow fins and large eyes, found in tropical and subtropical seas.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.