This is sea urchin which comes from north of Japan from Hokkaido. You can easily see quality of the individual pieces by the very nature how they are washed and boxed. This is not farmed, it is wild caught and of the highest quality. When trying to distinguish both of this type of system must look at it more microscopically. The texture and firmness and the shape is a good indication as to how it has been washed and prepared for Market.
Categories: Sushi Styles