mojarra

from WordNet (r) 3.0 (2006)

mojarra
    n 1: small silvery schooling fishes with protrusible mouths
         found in warm coastal waters

from The Collaborative International Dictionary of English v.0.48

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 {Gerridae},
   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.
   [Webster 1913 Suppl.]

from The Collaborative International Dictionary of English v.0.48

Cow-pilot \Cow"-pi`lot\ (kou"p[imac]`l[u^]t), n. (Zool.)
   A handsomely banded, coral-reef fish, of Florida and the West
   Indies ({Pomacentrus saxatilis}); -- called also {mojarra}.
   [1913 Webster]