The Collaborative International Dictionary of English v.0.48:

Chromid \Chro"mid\, n. [Gr. ? a kind of fish.] (Zool.)
   One of the Chromid[ae], a family of fresh-water fishes
   abundant in the tropical parts of America and Africa. Some
   are valuable food fishes, as the bulti of the Nile.
   [1913 Webster]