This document discusses the different types of sushi:
Nigiri involves rice topped with fish or seafood. Gunkan is filled with rice and seaweed and often contains fish eggs or sea urchin. Maki is rolled sushi containing seafood, vegetables or pickles layered with rice and seaweed. Temaki are hand rolls made with seaweed cones filled with rice, vegetables and seaweed. Oshizushi presses fish onto rice in a wooden mold. Chirashi spreads seafood and vegetables over rice. The document explores the varieties and origins of these sushi types as part of the Japanese cuisine.