Moderately Venomous Snakes

Hump Nosed Pit Viper (Hypnale hypnale)

Belongs to the family viperidae. A short, relatively stout specie of pit viper. Widespread in wet and intermediate zone, between elevation from 30m up to 1500m. As other pit vipers they also having a lorial organs to detect infrared waves. This specie is responsible for the highest incidence of snake bites of SL and admissions to the hospitals. Their head is upturned at resting position. Has more local damage such as blister and swelling of the site of bite. 

Prolonged coagulation time due to the hematotoxic nature of venom.

developed renal failure which can be irreversible, but rest recovered completely without a problem.

Millard’s Hump Nosed Viper (Hypnale nepa)

Belongs to the family viperidae. This specie is endemic to Sri Lanka. Head is distinctly upturned with a wart like projection on tip. Restricted to submountain and mountain forests at elevations between 914 to 2000m in wet zone. Nature of the venom is similar to the hump nosed viper.