The Collaborative International Dictionary of English v.0.48:

Wreckfish \Wreck"fish`\, n. [So called because it often comes in
   with wreckage.] (Zool.)
   A stone bass.
   [1913 Webster]

WordNet (r) 3.0 (2006):

wreckfish
    n 1: brown fish of the Atlantic and Mediterranean found around
         rocks and shipwrecks [syn: stone bass, wreckfish,
         Polyprion americanus]