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

Karate, another martial art that originated in Japan, has also become a popular sport and is practiced by millions of people around the world.

The Japanese wood pigeon, also known as the "tekura," is a species of pigeon that is native to Japan's forests and is known for its distinctive cooing call.