monkfish vs piscatorialist

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. 

piscatorialist

noun
  • A person with an interest in fish or fishing. 

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