The Collaborative International Dictionary of English v.0.48:

Scorpaenoid \Scor*pae"noid\, a. [NL. Scorpaena, a typical genus
   (see Scorpene) + -oid.] (Zool.)
   Of or pertaining to the family Scorpaenidae, which includes
   the scorpene, the rosefish, the California rockfishes, and
   many other food fishes. [Written also scorpaenid.] See
   Illust. under Rockfish.
   [1913 Webster]

WordNet (r) 3.0 (2006):

scorpaenoid
    n 1: fishes having the head armored with bony plates [syn:
         scorpaenoid, scorpaenoid fish]