''Craspedocephalus'' ''malabaricus'', (formerly ''Trimeresurus malabaricus)'' commonly known as Malabar pit viper, Malabar rock pit viper,Gumprecht A, Tillack F, Orlov NL,

Captain A Captain is a title, an appellative for the commanding officer of a military unit; the supreme leader of a navy ship, merchant ship, aeroplane, spacecraft, or other vessel; or the commander of a port, fire or police department, election precinct, e ...

, Ryabov S. 2004. ''Asian Pitvipers''. Geitje Books. Berlin. 1st Edition. 368 pp. . or rock viper, is a venomous

pit viper The Crotalinae, commonly known as pit vipers,Mehrtens JM (1987). ''Living Snakes of the World in Color''. New York: Sterling Publishers. 480 pp. . crotaline snakes (from grc, κρόταλον ''krotalon'' castanet), or pit adders, are a subfa ...

species endemic to the High-moderate elevations of western ghats of southwestern India.Recently this species complex was splited to three different species, Craspedocephalus malabaricus (North of palghat gap), Craspedocephalus travancoricus(South of shengottai gap), Craspedocephalus anamallensis(south of palghat gap upto North of shengottai gap). Malabar Pit Viper GM

Description

Adults may attain a snout-vent length (SVL) of . The tail is

prehensile Prehensility is the quality of an appendage or organ (anatomy), organ that has Adaptation (biology), adapted for grasping or holding. The word is derived from the Latin term ''prehendere'', meaning "to grasp". The ability to grasp is likely der ...

.Das, Indraneil. 2002. ''A Photographic Guide to Snakes and Other Reptiles of India''. Ralph Curtis Books. Sanibel Island, Florida. 144 pp. . (''Trimeresurus malabaricus'', p. 66.) The weakly keeled

dorsal scale In snakes, the dorsal scales are the longitudinal series of plates that encircle the body, but do not include the ventral scales. Campbell JA, Lamar WW (2004). ''The Venomous Reptiles of the Western Hemisphere''. Ithaca and London: Comstock Publis ...

s are arranged in 21 or 19 rows at midbody. Ventral scales in the males number 143-158 and in females 136-159. Anal scale entire. Subcaudals paired and numbering 50-63 in males, 44-54 in females.

Internasals In snakes, the internasal scales are those on top of the head between the scales that surround the nostrils. Wright AH, Wright AA (1957). ''Handbook of Snakes of the United States and Canada''. Ithaca and London: Comstock Publishing Associates. (7 ...

large and usually touching. There are 9 or 10

supralabials In reptiles, the supralabial scales, also called upper-labials, are those scales that border the mouth opening along the upper jaw. They do not include the median scaleWright AH, Wright AA. 1957. Handbook of Snakes. Comstock Publishing Associates ( ...

, the first completely separated from the nasal. There is a single row of scales between supralabials and elongate

subocular In scaled reptiles, the ocular scales are those forming the margin of the eye.Wright AH, Wright AA. 1957. ''Handbook of Snakes''. Comstock Publishing Associates (7th printing, 1985). 1105 pp. . The name originates from the term ''oculus'' which ...

. The temporal scales are smooth or obliquely keeled. Whitaker R, Captain A. 2004. ''Snakes of India, The Field Guide''. Draco books. Many different colour morphs are known to exist, including colours such as yellow, green, and brown. Shown here is a brown colour morph with pattern.

Distribution and habitat

The species is endemic to Western Ghats mountains, occurring along the southern and western India at elevation. The type locality is the Western Ghats of southwestern India. Records of this species are from Slient valley, western Nilgiris, Wayanad,

Coorg Kodagu (also known by its former name Coorg) is an administrative district in the Karnataka state of India. Before 1956, it was an administratively separate Coorg State, at which point it was merged into an enlarged Mysore State. It occupies ...

Malnad Malnad (; Malēnādu) is a region in the state of Karnataka in India. Malenadu covers the western and eastern slopes of the Western Ghats or Sahyadri mountain range, and is roughly 100 kilometers in width. Malnadis a region of Karnataka ...

region of Karnataka, Castle Rock, Goa and northwards into

Maharashtra Maharashtra (; , abbr. MH or Maha) is a states and union territories of India, state in the western India, western peninsular region of India occupying a substantial portion of the Deccan Plateau. Maharashtra is the List of states and union te ...

in the Amboli hills. Kolhapur area. It inhabits riparian forests and is very partial to hill streams and torrents, situated within dense wet

rainforest Rainforests are characterized by a closed and continuous tree canopy, moisture-dependent vegetation, the presence of epiphytes and lianas and the absence of wildfire. Rainforest can be classified as tropical rainforest or temperate rainfores ...

s, sometimes also evergreen and deciduous forests, where it may be found on the ground, on rocks present in

stream A stream is a continuous body of water, body of surface water Current (stream), flowing within the stream bed, bed and bank (geography), banks of a channel (geography), channel. Depending on its location or certain characteristics, a stream ...

beds, on low vegetation, or in

shrub A shrub (often also called a bush) is a small-to-medium-sized perennial woody plant. Unlike herbaceous plants, shrubs have persistent woody stems above the ground. Shrubs can be either deciduous or evergreen. They are distinguished from trees ...

Ecology

The Malabar pit viper is

nocturnal Nocturnality is an animal behavior characterized by being active during the night and sleeping during the day. The common adjective is "nocturnal", versus diurnal meaning the opposite. Nocturnal creatures generally have highly developed sens ...

and usually inactive in the day, sometimes seen basking on rocks or trees near streams. It is more commonly encountered during the monsoon months. The species preys upon frogs,

lizard Lizards are a widespread group of squamate reptiles, with over 7,000 species, ranging across all continents except Antarctica, as well as most oceanic island chains. The group is paraphyletic since it excludes the snakes and Amphisbaenia alt ...

s, nestling birds,

musk shrew The white-toothed shrews or Crocidurinae are one of three subfamilies of the shrew family Soricidae. The outer layer of these shrews' teeth is white, unlike that of the red-toothed shrews. These species are typically found in Africa and souther ...

mice A mouse ( : mice) is a small rodent. Characteristically, mice are known to have a pointed snout, small rounded ears, a body-length scaly tail, and a high breeding rate. The best known mouse species is the common house mouse (''Mus musculus' ...

and other small animals.

Venom

''C. malabaricus'' is slow-moving, but capable of fast strikes. Its venom causes moderate pain and swelling to humans. These symptoms subside in a day or two.

Description

Distribution and habitat

Ecology

Venom

References

Further reading