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.

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

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.