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Brief Summary
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Ovophis are relatively large, broad-bodied pit vipers with pronounced sexual size dimorphism. They are widely distributed in mountainous regions throughout Asia. Ovophis monticola, the best known species, are terrestrial, nocturnal snakes that occur at moderate altitudes and favor moist conditions, feeding largely on rodents and reacting aggressively to disturbance. They reach sexual maturity at around 3 years of age and females lay 5–18 eggs and guard their clutch for around 2 months until hatching occurs. Leviton et al. (2003) describe Ovophis monticola as secretive and sluggish, often found hidden away in rock or log piles, and give the elevational range as 700–2400 m.

Investigations in recent years have revealed previously unrecognizerd complexity and important new insights with respect to the systematics of Asian pit vipers. For example, the species known as "Ovophis chaseni" (known only from the mountains of northern Borneo) is apparently not closely related to any other extant pit vipers and the species known as "Ovophis okinavensis" is apparently more closely related to Trimeresurus gracilis than to other Ovophis species--and T. gracilis is apparently not actually a part of the Trimeresurus radiation (Malhotra and Thorpe 2004 and refereces therein; Tsai et al. 2012 and references therein)!

Malhotra et al. (2011) undertook a broad phylogenetic analysis of Ovophis and concluded that the genus includes five very similar but diagnosable species:

O. makazayazaya (Taiwan, eastern and western China, northern Vietnam)

O. tonkinensis (southern China, northern and central Vietnam)

O. monticola (Nepal, northeastern India, Myanmar, northern Thailand, southern Laos, southwestern China [Sichuan and Yunnan], and northern and central Vietnam)

O. zayuensis (Xizang, Yunnan, northeastern India, and Myanmar)

O. convictus (West Malaysia)

(Malhotra et al. 2011 and references therein)

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Ovophis
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Common names: mountain pit vipers.

Ovophis is a genus of venomous pitvipers found in Asia.[1] Three species are currently recognized.[2]

Geographic range

Found in Asia in Nepal and Seven Sisters (Assam), India, eastward through Myanmar, Cambodia, Thailand, Laos, Vietnam, West Malaysia, Taiwan, Okinawa, Sumatra and Borneo.[1]

Species

Species[2] Taxon author[2] Subsp.*[2] Common name Geographic range[1] O. chaseni (M.A. Smith, 1931) 0 Mount Kinabalu pit viper Borneo in Indonesia: northern Sabah in the region of Mount Kinabalu. O. monticolaT (Günther, 1864) 4 Mountain pit viper Nepal, India (Assam, Sikkim), Myanmar, China (Zhejiang, Fujian, Sichuan, Yunnan and Tibet), Hong Kong, Taiwan, Cambodia, Thailand, Laos, Vietnam, West Malaysia, and Sumatra in Indonesia. O. okinavensis (Boulenger, 1892) 0 Okinawa pit viper Japan (Ryukyu Islands: Okinawa and the Amami Islands).

*) Not including the nominate subspecies.
T) Type species.[1]

Taxonomy

Species placed in this group have long been associated with the genus Trimeresurus.[1] One other species that is included in some other taxonomies is O. tonkinensis (Bourret, 1934). It is commonly called the Tonkin pit viper and is found in Vietnam and China.

See also

References

  1. ^ a b c d e f McDiarmid RW, Campbell JA, Touré T. 1999. Snake Species of the World: A Taxonomic and Geographic Reference, vol. 1. Herpetologists' League. 511 pp. .mw-parser-output cite.citation{font-style:inherit}.mw-parser-output q{quotes:"""""'"'"}.mw-parser-output code.cs1-code{color:inherit;background:inherit;border:inherit;padding:inherit}.mw-parser-output .cs1-lock-free a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/6/65/Lock-green.svg/9px-Lock-green.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-limited a,.mw-parser-output .cs1-lock-registration a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/d/d6/Lock-gray-alt-2.svg/9px-Lock-gray-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-lock-subscription a{background:url("//upload.wikimedia.org/wikipedia/commons/thumb/a/aa/Lock-red-alt-2.svg/9px-Lock-red-alt-2.svg.png")no-repeat;background-position:right .1em center}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration{color:#555}.mw-parser-output .cs1-subscription span,.mw-parser-output .cs1-registration span{border-bottom:1px dotted;cursor:help}.mw-parser-output .cs1-hidden-error{display:none;font-size:100%}.mw-parser-output .cs1-visible-error{font-size:100%}.mw-parser-output .cs1-subscription,.mw-parser-output .cs1-registration,.mw-parser-output .cs1-format{font-size:95%}.mw-parser-output .cs1-kern-left,.mw-parser-output .cs1-kern-wl-left{padding-left:0.2em}.mw-parser-output .cs1-kern-right,.mw-parser-output .cs1-kern-wl-right{padding-right:0.2em}ISBN 1-893777-00-6 (series). ISBN 1-893777-01-4 (volume).
  2. ^ a b c d "Ovophis". Integrated Taxonomic Information System. Retrieved 4 November 2006.

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Ovophis: Brief Summary
provided by wikipedia EN

Common names: mountain pit vipers.

Ovophis is a genus of venomous pitvipers found in Asia. Three species are currently recognized.

license
cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
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wikipedia EN
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1997ae3359b78cc0f611fdba615947d6