Fish
Seaweed / kelp.
Because they are an island nation
fish is an important protein everywhere... its more prevalent in japan cause its an island with very few land animals.
Fishing is a major industry in Japan. There are many kinds of fish in the surrouning waters, supplying a major source of protein for the Japanese diet.
it is the sea of japan witch leads into the pacific answer
It is the Sea of Japan.
The Sea of Japan is between Japan and North Korea.
If you are referring to seas, the Japan sea and the Pacific ocean are on either side of Japan. If you mean the body of water between Hokkaido and Honshu it is called the Tsugaru Strait.
The Times called the sea between Korea and Japan the 'Sea of Japan' instead of the 'East Sea'.
Japan is in the sea
The seas surrounding Japan are important as a means of commerce for imports/exports , as a source of food and as a means of defense .
Japan is separated from mainland East Asia by the Korean Strait and Sea of Japan.