The Collaborative International Dictionary of English v.0.48:

Pintado \Pin*ta"do\, n.; pl. Pintados. [Sp., painted, fr.
   pintar to paint.]
   1. (Zool.) Any bird of the genus Numida. Several species
      are found in Africa. The common pintado, or Guinea fowl,
      the helmeted, and the crested pintados, are the best
      known. See Guinea fowl, under Guinea.
      [1913 Webster]

   2. A fish (Scomberomorus regalis) similar to, but larger
      than, the Spanish mackerel, and having elongated spots,
      common about Florida and the West Indies.
      [Webster 1913 Suppl.]

The Collaborative International Dictionary of English v.0.48:

Cero \Ce"ro\, n. [Corrupt. fr. Sp. sierra saw, sawfish, cero.]
   (Zool.)
   A large and valuable fish of the Mackerel family, of the
   genus Scomberomorus. Two species are found in the West
   Indies and less commonly on the Atlantic coast of the United
   States, -- the common cero (Scomberomorus caballa), called
   also kingfish, and spotted, or king, cero (Scomberomorus
   regalis).
   [1913 Webster]

WordNet (r) 3.0 (2006):

Scomberomorus regalis
    n 1: large edible mackerel of temperate United States coastal
         Atlantic waters [syn: cero, pintado, kingfish,
         Scomberomorus regalis]