goosefish vs monkfish

goosefish

noun
  • An anglerfish of the family Lophiidae. 

monkfish

noun
  • Any large bottom-dwelling anglerfish of the genus Lophius, such as Lophius piscatorius, of the Atlantic, having a large head and mouth. 

  • Angel sharks of the genus Squatina. 

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