sea trout vs squeteague

sea trout

noun
  • The weakfish, Cynoscion regalis 

  • A fish of the species Salmo trutta morpha trutta, closely related to salmon and a subspecies of brown trout. It is lighter in colour than the brown trout, and lives in salt water, returning to fresh water only to spawn. 

squeteague

noun
  • The weakfish, a silvery edible American sciaenoid fish, Cynoscion regalis. 

How often have the words sea trout and squeteague occurred in a corpus of books? (source: Google Ngram Viewer )