On the island of Sado ("佐渡島/ Sado-ga-shima"), Japan, a new type of frog is found.
The research team of Niigata univ. and Hiroshima univ. found a new frog called Sado Frog ( "サドガエル / Sadogaeru ") on the island 60 km away from the city of Niigata, Niigata prefecture, northern part of Japan.
It is around 5 cm big and belong to Japanese wrinkled frog. This frog has a yellow tummy.