Nicobar Pit Viper ( Trimeresurus labialis Steindachner, 1867 )

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Name
Scientific Name: 
Trimeresurus labialis (Steindachner, 1867)
Photographs: 
Adult : Trimeresurus labialis - Nicobar Pit viper . Venomous Pit viper found in Nicobar island
Distribution: 
Venom Type: 
Haemotoxic
Family: 
Description: 

Maximum can grow upto 44 cm.

Scalation
Head: 
Supralabial 10-11; first completely fused with nasal; single row of scales between supralabial and elongated subocular; supraocular entire and narrow; 8-11 between them; internasals larger than other head scales on upper surface; touches each other or separated by one scale; temporal scale smooth.
Dorsal: 
Smooth scales in 21/23: 21/23: 15/17 rows.
Ventral: 
158-170 (Male), 154-174 (Female).
Sub Caudal: 
60-65 (Male), 46-57 (Female); anal mostly undivided; usually paired.
Authors & Contributors: