Common Name (Scientific Name)

Physical Description

Venom

Wagler’s pit viper (Trimeresurus wagleri)

Juvenile members of the species are bright green with half-red half-white small spots distributed along its body [12] . Adult specimen typically has a black base with numerous green spots scattered accompanied with cross-bars that are green above and yellow by the sides.

Weak thrombin-like activity with no hemorrhagic activity. 2 major lethal toxins are wagleri toxin 1 and 2 [14] .

Shore pit viper (Trimeresurus purpureomaculatus)

Uniformly brownish-purple though variations include brownish-grey or olive [7] [12] . Typically found near mangrove swamps and never far off from the sea.

Potent hemorrhagic activity (maculatoxin) and modest thrombin-like activity (purpurase) [14] .

Sumatran pit viper (Trimeresurus sumatranus)

Green with black bands at every 4 to 5 scales along its body [12] . Grows well over one meter in length making it one of the larger pit vipers.

Strong hemorrhagic activity and weak thrombin-like effects [14] .

Pope’s tree viper (Trimeresurus popeorum)

It is green on the upper body, and pale green or yellow on the lower body. Separating these 2 shades of green is a bright bicolored orange and white lining extending throughout the length of the snake. Its tail is generally red especially towards the tip [12] .

Not available.

White lipped pit viper (Trimeresurus albolabris)

As the name suggests the upper part of the lips are white, though they can come in other colors such as pale green or yellow [7] . The body is green in color.

Not Available.

Mountain pit viper (Trimeresurus monticola)

Brown with black square-like spots on the back, arising from the midline in an alternating or conjoined fashion. There is also a lighter brownish yellow coloration extending behind the eyes with large supraocular scales. Usually found in places of high altitudes [12] .

Not Available