Sentence:  The San Juan market is Mexico City's most famous deli of exotic meats, where an adventurous shopper can hunt down hard-to-find critters ... But the priciest items in the market aren't the armadillo steaks or even the <WSD>bluefin tuna</WSD>. 
Meaning of the word marked with <WSD> tags:  (ver=161222), (southern bluefin tuna).