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Coelognathus radiatus (BOIE, 1827)

IUCN Red List - Coelognathus radiatus - Least Concern, LC
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Higher TaxaColubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)
Subspecies 
Common NamesE: Radiated Ratsnakes, Copperhead Rat Snake, Copper-headed Trinket Snake
G: Strahlennatter
Chinese: 三索锦蛇 
SynonymColuber radiatus BOIE 1827
Coluber radiatus — SCHLEGEL 1837: 135
Coluber quadrifasciatus CANTOR 1839
Tropidonotus quinque CANTOR 1839
Coelognathus radiata — FITZINGER 1843
Elaphis radiatus — DUMÉRIL 1853
Plagiodon radiata — DUMÉRIL 1853
Compsosoma radiatum — DUMÉRIL, BIBRON & DUMÉRIL 1854: 292
Elaphis (Compsosoma) radiatum — BLEEKER 1857
Spilotes radiatus — GÜNTHER 1858
Elaphis radiatus — JAN 1863
Compsosoma radiatum — THEOBALD 1868: 45
Compsosoma radiatum — STOLICZKA 1870: 188
Compsosoma radiatum — MÜLLER 1880
Coluber radiatus — BOULENGER 1894: 61
Coluber (Compsosoma) radiatus — MÜLLER 1895: 203
Coluber radiatus — WALL 1908: 327
Elaphe radiata — BARBOUR 1912
Elaphe radiata — POPE 1929
Coelognathus radiatus — COCHRAN 1930
Elaphe radiata — SMITH 1943
Elaphe radiata — TAYLOR 1965: 721
Elaphe radiata — SCHULZ 1996: 219
Elaphe radiata — MANTHEY & GROSSMANN 1997: 344
Elaphe radiata — COX et al. 1998: 51
Elaphe radiata — LAZELL et al. 1999
Elaphe radiata — CHAN-ARD et al. 1999: 166
Coelognathus radiatus — GUMPRECHT 2000
Coelognathus radiatus — UTIGER et al. 2002
Elaphe radiata — ZIEGLER 2002: 231
Elaphe radiata — LAZELL 2002
Coelognathus radiatus — WINCHELL 2003
Coelognathus radiatus — GUMPRECHT 2003
Elaphe radiata — PAUWELS et al. 2003
Elaphe radiata — AO et al. 2004
Elaphe radiata — ZHAO 2006
Coelognathus radiata — ZIEGLER et al. 2007
Elaphe radiatus — MURTHY 2010
Coelognathus radiatus — WALLACH et al. 2014: 172
Coelognathus radiates — WANGYAL 2014 (in error)
Coelognathus radiates — NEPALI & SINGH 2019 (in error)
Coelognathus radiates — KHOERUNISA et al. 2021 (in error) 
DistributionIndonesia (Sumatra, Bangka, Borneo/Kalimantan, Java, Bali),
Malaysia (Malaya and East Malaysia); Borneo,
Burma (Myanmar),
Thailand (incl. Phuket),
Laos, Cambodia, Vietnam (Hoa Binh),
India (Assam, Arunachal Pradesh [A. Captain, pers. comm.], Eastern Ghats, from Uttarakhand, Madhya Pradesh, Chhattisgarh, Orissa = Odisha, West Bengal, Sikkim, Bihar, Himachal Pradesh, Mizoram, Nagaland), Bangladesh, Nepal, Bhutan,
S China (Fujian, Yunnan, Guangxi, Guangdong, Hong Kong)

Type locality: Java (Boie, 1827)  
Reproductionoviparous 
TypesHolotype: RMNH (Leiden) 
DiagnosisDiagnosis: Large snakes reaching a length of two meters; a. transverse black occipital bar making a median angle; scales in 19 rows at midbody; last labial below eye touching temporals; scales keeled; snout twice as long as eye; loreal longer than high; a median yellow or yellow-brown line bordered by a black stripe on each side. (Taylor 1965: 721)


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CommentBehavior: diurnal.

Type species: Coluber radiatus BOIE 1827 is the type species of the genus Coelognathus FITZINGER 1843.

Synonymy: Kaiser et al. 2013 considered the generic name Euanedwardsserpens Hoser 2012 invalid and rejected its use instead of Coelognathus.

Distribution: Possibly in Bhutan (Lenz 2012). Not in Singapore or not established there (Figueroa et al. 2023). 
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