challenge: What is the origin of the genus name 'Echinophryne' in Echinophryne mitchellii?
  
  A. It combines 'echinos' meaning 'spiny' and 'phryne' meaning 'toad', referencing the fish's skin and appearance
  B. It is derived from the Greek words for 'fish' and 'frog'
  C. It is named after a Scottish-born Australian schoolteacher and paleontologist
  D. It is named after Robert Etheridge, Junior, Ogilby's superior at the Australian Museum
  Answer: 