Source : Webster's Revised Unabridged Dictionary (1913)

Mojarra \Mo*jar"ra\, n. [Sp.]
   Any of certain basslike marine fishes (mostly of tropical
   seas, and having a deep, compressed body, protracile mouth,
   and large silvery scales) constituting the family
   {Gerrid[ae]}, as {Gerres plumieri}, found from Florida to
   Brazil and used as food. Also, any of numerous other fishes
   of similar appearance but belonging to other families.

Source : WordNet®

mojarra
     n : small silvery schooling fishes with protrusible mouths found
         in warm coastal waters