Kamaboko (蒲鉾) is a cured, processed seafood product of Japan, known as surimi. It is made of pureed white fish and processed with preservatives like MSG to keep its freshness. The mixture is shaped into its signature semi-cylinder loaf shape and steamed until it becomes firm. Some kamaboko known as narutomaki is made with a swirl pattern in the center of each slice, named after the famous tidal whirlpool in the Japanese city Naruto. Outside of Japan, kamaboko is often referred to as fish cake.
Kamaboko has been made in Japan since the 14th century CE and has become commonly available in many other countries. One example that can be found in the West is kanikama (also known as kani kamaboko), or imitation crab. This variation of surimi is quite common in the West as it is a cheap substitute for real crab meat.