Heller's red-necked keelback
Rhabdophis helleri
(Karl Patterson Schmidt, 1925)
Rhabdophis helleri, also known commonly as Heller’s red-necked keelback, is a venomous species of keelback snake in the subfamily Natricinae of the family Colubridae. The species is native to South Asia.
Etymology
The specific name, helleri, is in honor of American zoologist Edmund Heller.
Geographic range
R. helleri is found in Bangladesh, Bhutan, China (Fujian, Guangdong, Guangxi, Guizhou, Hong Kong, Sichuan, Yunnan), India (Arunachal Pradesh, Assam, Mizoram, Sikkim, Tripura), Myanmar, Nepal, and northern Vietnam.
Type locality: Tengyueh, 5500 feet elevation, Province of
Yunnan, China, 25°01'N, 98°30'E.
Description
A medium-sized snake, R. helleri may attain a total length (including tail) of 1.3 m. It has 163–172 ventrals.
Reproduction
R. helleri is oviparous.
Venom
The venom of R. helleri can cause severe coagulopathy, but no human fatalities have been reported.
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Scientific classification
- Kingdom
- Animalia
- Phylum
- Chordata
- Class
- Reptilia
- Order
- Squamata
- Suborder
- Serpentes
- Family
- Colubridae
- Genus
- Rhabdophis
- Species
- Rhabdophis helleri
Common names
- Chinese: 红脖颈槽蛇
- German: Heller-Rothals-Wassernatter
- English: Heller’s red-necked keelback
Synonyms
- Rhabdophis helleri, LIU et al. (2021)
- Rhabdophis helleri, Patrick David & Gernot Vogel (2021)
- Rhabdophis subminiatus helleri, NGUYEN et al. (2009)
- Rhabdophis subminiatus helleri, ZHAO et al. (1986)
- Rhabdophis subminiata helleri, Edward Harrison Taylor (1965)
- Rhabdophis subminiatus var. helleri, Jean Deuve (1961)
- Natrix subminiata helleri, Carl Hialmar Rendahl (1937)
- Rhabdophis subminiatus helleri, René Léon Bourret (1935)
- Natrix subminiata helleri, R. Mell (1931)
- Natrix helleri, Karl Patterson Schmidt (1925)
Photos
Range Map
- Chiang Khong District, Chiang Rai
- Chiang Saen District, Chiang Rai
- Doi Ang Khang
- Doi Inthanon National Park
- Doi Pha Hom Pok National Park
- Doi Tung
- Hang Dong District, Chiang Mai
- Lum Nam Pai Wildlife Sanctuary
- Mae Chaem District, Chiang Mai
- Mae Sai District, Chiang Rai
- Mae Taeng District, Chiang Mai
- Mueang Chiang Rai District, Chiang Rai
- Mueang Mae Hong Son District, Mae Hong Son
- Pai District, Mae Hong Son
- Tham Pla - Namtok Pha Suea National Park
- Wiang Chiang Rung District, Chiang Rai
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