orange roughy vs redfish

orange roughy

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

redfish

noun
  • A slimehead, of family Trachichthyidae. 

  • Etelis oculatus, queen snapper. 

  • Rhomboplites aurorubens, vermillion snapper. 

  • A large red edible fish, Sciaenops ocellatus, also called channel bass or red drum. 

  • Sebastes spp., the edible red rockfish. 

  • especially Sebastes norvegicus, found in North American waters, also called rosefish or ocean perch. 

  • Lutjanus spp., snappers. 

  • Centroberyx affinis, eastern nannygai. 

  • Oncorhynchus nerka, sockeye salmon. 

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