sabalo

from The Collaborative International Dictionary of English v.0.48

Tarpum \Tar"pum\, n. (Zool.)
   A very large marine fish ({Megapolis Atlanticus}) of the
   Southern United States and the West Indies. It often becomes
   six or more feet in length, and has large silvery scales. The
   scales are a staple article of trade, and are used in
   fancywork. Called also {tarpon}, {sabalo}, {savanilla},
   {silverfish}, and {jewfish}.
   [1913 Webster]