MEDUSA Reptile Co.
Venomous

Hagen's Pit Viper For Sale

Trimeresurus hageni

Hagen's Pit Viper (Trimeresurus hageni) is a sizeable green arboreal viper of the southern Thai-Malay peninsula's lowland rainforest, ambushing prey from low vegetation under cover of darkness. It demands warm, consistently humid tropical conditions to flourish, and its hemotoxic venom means careful handling. A rewarding rainforest species reserved for advanced keepers.

Hagen's Pit Viper (Trimeresurus hageni)

Overview

Adult Length
60 – 90 cm
Venom
Hemotoxic / Cytotoxic. Causes pain, swelling & tissue damage. Medically significant — seek treatment.

In the Wild

Habitat
Arboreal. Lowland and submontane tropical rainforest, 0 – 800 m. Southern Thai-Malay peninsula.
Wild Diet
Lizards, frogs & small mammals. Nocturnal ambush predator in low forest vegetation.

Captive Care

Captive Diet
Pre-killed mice or rats. Juveniles every 7 days; adults every 10 – 14 days.
Temperature
26 – 30 °C ambient — 24 °C cool end
Humidity
75 – 90 %. Daily misting; high humidity year-round.
UV Requirements
Low (nocturnal). UVI 0 – 1.0.
Enclosure
Arboreal / vertical. Min 60 × 60 × 90 cm. Tropical rainforest setup with high humidity.
Temperament
Moderately defensive. Requires warm, humid conditions to thrive.

Distribution in Thailand

Surat Thani Nakhon Si Thammarat Krabi Trang Hat Yai NORTH ISAN CENTRAL SOUTH

Known regional occurrences across Thailand. Wild-source collection is regulated; all stock is supplied wholesale under CITES-compliant export.

Wholesale Only — Apply for Access

Medusa Reptile Co. supplies the Hagen's Pit Viper to licensed wholesale buyers and importers via air cargo from Thailand. Minimum order quantities apply.

Apply for Wholesale Access

Export is conducted strictly under CITES permits and Thai wildlife law. We do not sell to the general public.