Seriphus politus vs white croaker

Seriphus politus

white croaker

noun
  • Pennahia argentata, a species of croaker found in the Northwest Pacific 

  • Genyonemus lineatus, a species of croaker found in the Eastern Pacific 

How often have the words Seriphus politus and white croaker occurred in a corpus of books? (source: Google Ngram Viewer )