Pollachius carbonarius

from The Collaborative International Dictionary of English v.0.48

Pollock \Pol"lock\, n. [See {Pollack}.] (Zool.)
   A marine gadoid fish ({Pollachius carbonarius}), native both
   of the European and American coasts. It is allied to the cod,
   and like it is salted and dried. In England it is called
   {coalfish}, {lob}, {podley}, {podling}, {pollack}, etc.
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Cuddy \Cud"dy\, n. [Scot.; cf. Gael. cudaig, cudainn, or
   E.cuttlefish, or cod, codfish.] (Zool)
   The coalfish ({Pollachius carbonarius}). [Written also
   {cudden}.]
   [1913 Webster]