greenling

from WordNet (r) 3.0 (2006)

greenling
    n 1: food fish of the northern Pacific

from The Collaborative International Dictionary of English v.0.48

greenling \greenling\ n. [1400-1450]
   any spiny-finned food fish of the northern Pacific coasts, of
   the genus {Hexagrammos}.
   [WordNet 1.5]

from The Collaborative International Dictionary of English v.0.48

Pollack \Pol"lack\, n. [Cf. G. & D. pollack, and Gael. pollag a
   little pool, a sort of fish.] (Zool.)
   (a) A marine gadoid food fish of Europe ({Pollachius
       virens}). Called also {greenfish}, {greenling}, {lait},
       {leet}, {lob}, {lythe}, and {whiting pollack}.
   (b) The American pollock; the coalfish.
       [1913 Webster]