The Collaborative International Dictionary of English v.0.48:

Negrita \Ne*gri"ta\, n. [Sp., blackish, fem. of negrito, dim. of
   negro black.] (Zool.)
   A blackish fish (Hypoplectrus nigricans), of the Sea-bass
   family. It is a native of the West Indies and Florida.
   [1913 Webster]