greenhead vs rose fish

greenhead

noun
  • A fish, the striped bass. 

  • Tabanus nigrovittatus, a biting horsefly. 

  • The mallard. 

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 greenhead and rose fish occurred in a corpus of books? (source: Google Ngram Viewer )