to watch. >> this is bad. >> james pankovich, brit and black belt in karate, moved to okinawa in 2009 to study the way of martial arts. he acts as translator for most of the karate sensei on the island. earlier i met james at a public market in okinawa's largest city, naha. >> that's the tasty one. we're going to take that one. what are these? >> these are puffer fish. so we got some deep fried fish for us. >> the unofficial national fish of okinawa, and porcupine fish, both battered and deep fried. >> going to do sashimi. >> okinawans eat any fish sashimi fish. served raw and still twitching in the shell. >> we're going to get some sea grapes as well. >> good, good, that's super traditional. sea grapes. the classic regional side dish dressed in rice vinegar. what you buy downstairs from vendors, for a small fee