piscatorialist vs trawler

piscatorialist

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

trawler

noun
  • A fisherman who uses a trawl net. 

  • A fishing boat that uses a trawl net or dragnet to catch fish. 

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