''Oocatochus'' is a genus of snake in the family

Colubridae Colubridae (, commonly known as colubrids , from la, coluber, 'snake') is a family of snakes. With 249 genera, it is the largest snake family. The earliest species of the family date back to the Oligocene epoch. Colubrid snakes are found on ever ...

that contains the sole species ''Oocatochus rufodorsatus''. It is known as the Chinese garter snake, frog-eating rat snake, or red-backed rat snake. It is found in East Asia, in eastern

China China, officially the People's Republic of China (PRC), is a country in East Asia. It is the world's most populous country, with a population exceeding 1.4 billion, slightly ahead of India. China spans the equivalent of five time zones and ...

Korea Korea ( ko, 한국, or , ) is a peninsular region in East Asia. Since 1945, it has been divided at or near the 38th parallel, with North Korea (Democratic People's Republic of Korea) comprising its northern half and South Korea (Republic o ...

, and

Russia Russia (, , ), or the Russian Federation, is a List of transcontinental countries, transcontinental country spanning Eastern Europe and North Asia, Northern Asia. It is the List of countries and dependencies by area, largest country in the ...

. The Reptile Database also mentions

Taiwan Taiwan, officially the Republic of China (ROC), is a country in East Asia, at the junction of the East and South China Seas in the northwestern Pacific Ocean, with the People's Republic of China (PRC) to the northwest, Japan to the nort ...

, but other sources do not support this.

References

Colubrids Monotypic snake genera Snakes of Asia Reptiles of China Reptiles of Russia Reptiles of Korea Taxa named by Theodore Edward Cantor Reptiles described in 1842 {{Colubrid-stub