channel bass vs orange roughy

channel bass

noun
  • Sciaenops ocellatus, a large red edible fish. 

orange roughy

noun
  • An edible deep-sea fish, Hoplostethus atlanticus, belonging to the slimehead family (Trachichthyidae). 

How often have the words channel bass and orange roughy occurred in a corpus of books? (source: Google Ngram Viewer )