jewfish \jew"fish`\, n. zool.
   1. a very large serranoid fish promicrops itaiara of
      florida and the gulf of mexico. it often reaches the
      weight of five hundred pounds. its color is olivaceous or
      yellowish, with numerous brown spots. called also guasa,
      and warsaw.
      1913 webster

   2. a similar gigantic fish stereolepis gigas of southern
      california, valued as a food fish.
      1913 webster

   3. the black grouper of florida and texas.
      1913 webster

   4. a large herringlike fish; the tarpum.
      1913 webster
see also:
promicrops itaiara guasa warsaw stereolepis gigas