The Japanese spider crab is the largest arthropod in the world, with a leg span of up to 4 meters (13 feet).

The Japanese flying squirrel is a small arboreal mammal that is native to Japan's forests and is known for its gliding ability.

Natto, a fermented soybean dish that is known for its strong odor and slimy texture, is a popular Japanese food that is often eaten for breakfast.