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The mud snake (''Farancia abacura'') is a species of nonvenomous, semiaquatic, colubrid snake endemic to the southeastern United States.〔 ==Description== Mud snakes usually grow to a total length (including tail) of 40 to 54 inches (1-1.4 m),〔Missouri Department of Conservation. 2013. (Western Mud Snake ) MDC Online. Accessed May 18, 2013〕 with the record total length being slightly over 80 inches (2 m).〔The University of Georgia. 2008. (Mud Snake ) The University of Georgia: Museum of Natural History. Accessed April 23, 2011.〕 The upperside of the mud snake is glossy, black. The underside is red and black, and the red extends up the sides to form bars of reddish-pink. Their heavy bodies are cylindrical in cross section, and their short tails have a terminal spine. Their head scalation is distinctive in that they have only one internasal, no preocular, and one anterior temporal. The dorsal scales are smooth, and are arranged in 19 rows at midbody. Ventrals 168-208; anal plate divided; subcaudals 31-55.〔Smith, H.M., and E.D. Brodie, Jr. 1982. ''Reptiles of North America: A Guide to Field Identification''. Golden Press. New York. 240 pp. ISBN 0-307-13666-3. (''Farancia abacura'', pp. 162-163.)〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Mud snake」の詳細全文を読む スポンサード リンク
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