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Opisthotropis kikuzatoi (OKADA & TAKARA, 1958)

IUCN Red List - Opisthotropis kikuzatoi - Critically Endangered, CR

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Higher TaxaColubridae (Natricinae), Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Common NamesE: Kikuzato’s Stream Snake 
SynonymLiopeltis kikuzatoi OKADA & TAKARA 1958
Opheodrys kikuzatoi
Opisthotropis kikuzatoi — MORI 1984: 100
Eurypholis kikuzatoi
Opisthotropis kikuzatoi — OTA 2000
Opisthotropis kikuzatoi — DAVID et al. 2011
Opisthotropis kikuzatoi — WALLACH et al. 2014: 509 
DistributionJapan (Ryukyu Islands: Kumejima Island)

Type locality: Kumejima Island, Okinawa Prefecture, Japan.  
TypesHolotype: URJ 1, a 533 mm male (K. Kikuzato, 15 Sept. 1956). 
CommentNot listed in BROWN & LEVITON 1961.

This species is critically endangered in Japan (Ota 2000).

Habitat: aquatic, inhabiting flowing streams.

Diet: fishes, frogs, tadpoles, freshwater shrimp and earthworms.

Behavior: nocturnal 
EtymologyNamed after Kiyotasu Kikuzato, the collector of the holotype. 
  • Beolens, Bo; Michael Watkins, and Michael Grayson 2011. The Eponym Dictionary of Reptiles. Johns Hopkins University Press, Baltimore, USA - get paper here
  • Brown,W.C. & Leviton,A.E. 1961. Discovery of the snake genus Opisthotropis in the Philippine Islands, with description of a new species. Occasional Papers of the Natural History Museum of Stanford University (8): 1-11
  • DAVID, PATRICK; CUONG THE PHAM, TRUONG QUANG NGUYEN & THOMAS ZIEGLER 2011. A new species of the genus Opisthotropis Günther, 1872 (Squamata: Natricidae) from the highlands of Kon Tum Province, Vietnam. Zootaxa 2758: 43–56 - get paper here
  • Goris, R.C. & Maeda, N. 2004. Guide to the Amphibians and Reptiles of Japan. Krieger, Malabar, 285 pp.
  • Mori,M. 1982. Japans Schlangen, Vols. 1-3 (80, 102, 123 pp.). Tokyo (Igaku-Shoin Ltd.) [bilingual edition in German and Japanese]
  • Okada, Y. & Takara, T. 1958. A new species of Liopeltis (Ophidia, Colubridae) from Ryukyu Islands. Bulletin of the Biogeographical Society of Japan 20 (3): 1-3
  • Ota, H. 2000. Current status of the threatened amphibians and reptiles of Japan. Popul. Ecol. 42: 5-9 - get paper here
  • Ota, H.; Mori, A. 1985. On the fourth specimen of Opisthotropis kikuzatoi. The Snake 17: 160-162
  • Ota, Hidetoshi 2004. Field observations on a highly endangered snake, Opisthotropis kikuzatoi (Squamata: Colubridae), endemic to Kumejima Island, Japan. Current Herpetology 23 (2): 73-80 - get paper here
  • TEYNIÉ, ALEXANDRE; ANNE LOTTIER, PATRICK DAVID, TRUONG QUANG NGUYEN & GERNOT VOGEL 2014. A new species of the genus Opisthotropis Günther, 1872 from northern Laos (Squamata: Natricidae). Zootaxa 3774 (2): 165–182 - get paper here
  • Wallach, Van; Kenneth L. Williams , Jeff Boundy 2014. Snakes of the World: A Catalogue of Living and Extinct Species. [type catalogue] Taylor and Francis, CRC Press, 1237 pp.
  • YANG, JIAN-HUAN; YIK-HEI SUNG & BOSCO PUI-LOK CHAN 2013. A new species of the genus Opisthotropis Günther, 1872 (Squamata: Colubridae: Natricinae) from Guangdong Province, China. Zootaxa 3646 (3): 289–296 - get paper here
  • YANG, JIAN-HUAN; YING-YONG WANG, BING ZHANG, MICHAEL WAI-NENG LAU & WEN-HAO CHOU 2011. Revision of the diagnostic characters of Opisthotropis maculosa Stuart and Chuaynkern, 2007 with notes on its distribution and variation, and a key to the genus Opisthotropis (Squamata: Natricidae). Zootaxa 2785: 61–68 - get paper here
  • Ziegler, Thomas; Patrick David, Vu Ngoc Thanh 2008. A new natricine snake of the genus Opisthotropis from Tam Dao, Vinh Phuc Province, northern Vietnam (Squamata, Colubridae). Zoosystematics and Evolution 84 (2): 197 -203 - get paper here
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