The Collaborative International Dictionary of English v.0.48:

Blanquillo \Blan*quil"lo\, n. [Sp. blanquillo whitish.] (Zool.)
   A large fish of Florida and the W. Indies (Caulolatilus
   chrysops). It is red, marked with yellow.
   [1913 Webster]

WordNet (r) 3.0 (2006):

blanquillo
    n 1: important marine food fishes [syn: blanquillo,
         tilefish]