rose fish vs scorpionfish

rose fish

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

scorpionfish

noun
  • Any of the family Scorpaenidae of mostly marine fish, including many of the world's most venomous species, the "sting" taking the form of sharp spines coated with venomous mucus. 

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