Source : Webster's Revised Unabridged Dictionary (1913)

Rosefish \Rose"fish`\, n. (Zo["o]l.)
   A large marine scorp[ae]noid food fish ({Sebastes marinus})
   found on the northern coasts of Europe and America. called
   also {red perch}, {hemdurgan}, {Norway haddok}, and also,
   erroneously, {snapper}, {bream}, and {bergylt}.

   Note: When full grown it is usually bright rose-red or
         orange-red; the young are usually mottled with red and
         ducky brown.

Haddock \Had"dock\, n. [OE. hadoc, haddok, of unknown origin;
   cf. Ir. codog, Gael. adag, F. hadot.] (Zo["o]l.)
   A marine food fish ({Melanogrammus [ae]glefinus}), allied to
   the cod, inhabiting the northern coasts of Europe and
   America. It has a dark lateral line and a black spot on each
   side of the body, just back of the gills. Galled also
   {haddie}, and {dickie}.

   {Norway haddock}, a marine edible fish ({Sebastes marinus})
      of Northern Europe and America. See {Rose fish}.