Paratapinophis praemaxillaris Angel, 1929

Angel's stream snake, Angel's mountain keelback, Brown stream snake



Taxonomy & Nomenclature

Synonym/s: Opisthotropis praemaxillaris Angel, 1929; Opisthotropis premaxillaris Angel, 1929 [orth. error]


Conservation Status


IUCN RedList status: Least Concern



Laos and Thailand


Biology & Ecology










Original scientific description:

Angel, F. (1929). Liste des reptiles et batraciens du Haut-Laos recueillis par M. Delacour. Descriptions d’un genre de especes et d’ une variete d’ophidiens. Bulletin du Muséum d’Histoire Naturelle, Paris, series 2, 1: 75-140.


Other references:

Chan-Ard, T., Stuart, B. and Bain, R. (2012). Paratapinophis praemaxillaris. The IUCN Red List of Threatened Species. Version 2014.3. ( Downloaded on 29 January 2015.

Mo, D. S., Chen, H. J. and Li, F. L. 1984. Opisthotropis premaxillaris (sic) (Angel), a record new to China. Acta Herpetologica Sinica 3(1): 28. (In Chinese)

Murphy J., Chan-Ard T., Mekchai S., Cota M., and Voris H. (2008). The Rediscovery of Angel’s Stream Snake, Paratapinophis praemaxillaris Angel, 1929 (Reptilia: Serpentes: Natricidae). The Natural History Journal of Chulalongkorn University 8(2): 169-183.

Pope, C. H. (1935). The Reptiles of China. In: Natural History of Central Asia. American Museum of Natural History, New York. Vol. 10. 604 pp.

Rasmussen, J. B. (1982). A new record of the rare Opisthotropis praemaxillaris (Serpentes: Colubridae). Amphibia-Reptilia 3: 279-289.

Zhao E.-M. and Adler, K. A. (1993). Herpetology of China. SSAR Contributions to Herpetology, No. 10, 522 pp.


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