mutton snapper vs rose fish

mutton snapper

noun
  • Lutjanus analis, a snapper native to the Atlantic coastal waters of the Americas from Massachusetts to southern Brazil. 

  • Rhomboplites aurorubens (vermillion snapper) 

rose fish

noun
  • A large marine food fish, Sebastes norvegicus, that lives off the North Atlantic coasts of Europe and North America. 

How often have the words mutton snapper and rose fish occurred in a corpus of books? (source: Google Ngram Viewer )