Caviar and tobiko both consist of salted, preserved fish eggs called roe, but beyond that initial similarity, the two products are very, very different.

5. Make sure that the avocado and fish don’t fall out the ends of the roll. Spread your tobiko fish eggs or sesame over the rice to season it, and then lay a sheet of plastic film over the sushi roll.

Seasoned Japanese sticky rice rolled with mango strips and kani sticks in nori sheets, California Maki has a mild sweetish ...