Out of all the types of fish out there, otoro tuna is one of the most expensive in the sushi world. Although tuna in general can be costly due to its scarcity, this particular cut of tuna costs ...

Derek Wilcox: We could buy tuna from Japan that we'd have to charge maybe $80 for one piece of otoro. Narrator: Derek Wilcox is a chef at Shoji, a Japanese restaurant in New York. He was trained ...