Russell's viper

Daboia russelii A Chawla01

Russell's viper (Daboia russelii) is a venomous snake species found in Asia. It is one of the deadliest snakes in the world and is responsible for a significant number of snakebite incidents and fatalities. The species is named after Patrick Russell, a Scottish herpetologist who first described many of India's snakes.

Description

Russell's viper is a large snake, typically ranging from 1.2 to 1.6 meters in length, with some individuals reaching up to 1.75 meters. The snake has a robust body with a distinctive pattern of dark brown or black spots arranged in a series of longitudinal rows. The head is triangular and distinct from the neck, with a pair of large, movable fangs.

Distribution and Habitat

Russell's viper is widely distributed across the Indian subcontinent, including India, Sri Lanka, Bangladesh, Nepal, and parts of Pakistan. It inhabits a variety of environments, from open grasslands and scrub forests to agricultural fields and urban areas.

Behavior

Russell's viper is primarily nocturnal but can also be active during the day. It is known for its aggressive behavior when threatened and can deliver a rapid and powerful strike. The snake feeds on a variety of prey, including rodents, lizards, and amphibians.

Venom

The venom of Russell's viper is highly toxic and contains a complex mixture of enzymes and proteins. It affects the blood, causing severe coagulopathy, hemorrhage, and tissue damage. Envenomation can lead to acute kidney failure, respiratory distress, and, if untreated, death. Antivenom is available and is the primary treatment for bites.

Medical Significance

Russell's viper is responsible for a large number of snakebite cases in its range, contributing significantly to the morbidity and mortality associated with snakebites in Asia. The snake's venom has been extensively studied for its medical implications and potential therapeutic applications.

Conservation Status

The International Union for Conservation of Nature (IUCN) lists Russell's viper as a species of Least Concern due to its wide distribution and presumed large population. However, habitat destruction and human-wildlife conflict pose ongoing threats to its populations.

Related Pages

• Snakebite
• Venom
• Antivenom
• Herpetology
• Patrick Russell (herpetologist)