Chasen's mountain pit viper, Chasen's tree viper, Kinabalu brown pit viper
Garthius chaseni, commonly known as Chasen's mountain pit viper, Chasen's tree viper, and the Kinabalu brown pit viper, is a species of venomous pitviper in the family Viperidae. The species is endemic to the island of Borneo in Malaysia. No subspecies are currently recognized. It is monotypic in the genus Garthius.
The generic name, Garthius, is in honor of British herpetologist Garth Underwood.Show More
The specific name, chaseni, is in honor of Frederick Nutter Chasen, who in 1931 was Curator of the Raffles Museum, Singapore.Show Less
Terrestrial animals are animals that live predominantly or entirely on land (e.g., cats, ants, snails), as compared with aquatic animals, which liv...
Oviparous animals are female animals that lay their eggs, with little or no other embryonic development within the mother. This is the reproductive...
Precocial species are those in which the young are relatively mature and mobile from the moment of birth or hatching. Precocial species are normall...
Venom is a type of poison, especially one secreted by an animal. It is delivered in a bite, sting, or similar action. Venom has evolved in terrestr...
G. chaseni is heavy-bodied, and may attain 65 cm (25+1⁄2 in) SVL (snout–vent length). Dorsally, it has a dark tan or reddish brown ground color, overlaid by dark brown crossbands, which are broken and alternating on the front part of the body, becoming regular on the posterior part. Ventrally, it is yellow and gray. It has two rows of small scales between the upper labials and the eye.Show More
Scalation includes: 19, 17, or 15 rows of dorsal scales at midbody; 130–143 ventral scales; 20–30 paired subcaudal scales; and 6 supralabial scales with the third being the highest.Show Less
G. chaseni is only found on the island of Borneo, in northern Sabah (Malaysia) in the region of Mount Kinabalu. The type locality given is "Kiau" (at the foot of Mt. Kinabalu, northern Borneo, ca. 915 m ). The known range is within the Crocker Range and Kinabalu National Parks.Show More
G. chaseni is found in submontane forests, living in leaf litter on the forest floor at elevations between 915 and 1,550 m (3,002 and 5,085 ft) above sea level.Show Less