The red-tailed pipe snake, red cylinder snake, or common pipe snake (Cylindrophis ruffus) is a nonvenomous cylindrophiid snake species found in Southeast Asia. No subspecies are currently recognized. Description Adults can grow to 39 in (1 m) in length. The dorsal scales are smooth, in 19 or 21 rows, with 186-245 ventrals, which are not quite twice as large as the contiguous dorsal scales; the anal plate is divided, and five to 10 subcaudals. Compared to other snakes, C. ruffus have a limited gape size. Their primary diet consists of long, thin prey animals including snakes, caecilians, and eels. Geographic range It is found in Myanmar and southern China (Fujian, Hong Kong and on Hainan Island), south into Vietnam, Laos, Cambodia, Thailand, the Malay Peninsula and the East Indies to Indonesia (the Riau Archipelago, Sumatra, Bangka, Borneo, Java, Sulawesi, Buton and the Sula Islands. The type locality given is "Surinami" (possibly a mistake). References Cylindrophiidae Snakes of Southeast Asia Reptiles of Brunei Reptiles of Myanmar Reptiles of Cambodia Reptiles of China Fauna of Hong Kong Reptiles of Indonesia Reptiles of Laos Reptiles of Malaysia Reptiles of Singapore Reptiles of Thailand Reptiles of Vietnam Reptiles described in 1768 Snakes of China Snakes of Vietnam Snakes of Asia Taxa named by Josephus Nicolaus Laurenti Reptiles of Borneo