The Japanese river otter, once common throughout Japan, is now extinct due to habitat destruction and hunting.

Dragon Ball, created by Akira Toriyama in 1984, is one of the most popular and influential anime franchises of all time, and has inspired numerous spin-offs, video games, and merchandise.

Tempura, a dish made with battered and deep-fried seafood or vegetables, is a popular Japanese dish that originated in the 16th century.