allmouth vs anglerfish

allmouth

noun
  • Any of the order Lophiiformes of anglerfish, such as Lophius piscatorius. 

anglerfish

noun
  • Any fish of the bony fish order Lophiiformes, which have an outgrowth they wiggle to lure and catch their prey. 

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