jewfish vs sablefish

jewfish

noun
  • Tandanus tandanus (eel-tailed catfish, freshwater jewfish, dewfish) 

  • Argyrosomus regius (meagre) 

  • Lateolabrax japonicus (Japanese seabass) 

  • Epinephelus itajara (Atlantic goliath grouper, spotted jewfish) 

  • Argyrosomus japonicus (silver jewfish, also known as the mulloway jewfish in eastern Australia) 

  • Glaucosoma hebraicum (West Australian dhufish, Westralian jewfish, western jewfish) 

  • Johnius australis (bottlenose jewfish) 

  • Glaucosoma buergeri (Westralian jewfish) 

  • Stereolepis gigas (black jewfish, Pacific jewfish) 

sablefish

noun
  • A dark-coloured marine fish, Anoplopoma fimbria, of North American Pacific waters. 

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