Viperidae
Zayuan Mountain Pitviper
VenomousOvophis zayuensis

The Zayuan Mountain Pitviper (Ovophis zayuensis) is a venomous snake in the Viperidae family, recorded in 3 countries.
If you are bitten
This is a venomous snake. Treat any bite as a medical emergency: stay calm, keep the bitten limb still and roughly level with the heart, remove rings and tight clothing, and get to emergency care immediately. Do not apply a tourniquet, cut the wound, apply ice, or try to suck out venom. Call your local emergency number or poison center.
- Family
- Viperidae
- Danger
- high
About the Zayuan Mountain Pitviper
Ovophis zayuensis, or the Zayuan mountain pitviper, is a species of mountain pit viper endemic to China and India. As with all pitvipers, O. zayuensis is venomous. Originally, the snake was considered a subspecies of O. monticola, before being elevated to species level in 1995.
Description
Ovophis zayuensis is a stout snake with a triangular head. Its ventral side is a plain pale yellow with no markings. The body displays black blotches which are progressively darker the further towards the tail they are.
The snake can be distinguished from similar species via its scale morphology.
Habitat
The Zayuen mountain pitviper is known to prefer elevations of 1280-2100 m.
Reproduction
Ovophis zayuensis is oviparous.
Adapted from Wikipedia, available under CC BY-SA.
Frequently asked: Zayuan Mountain Pitviper
- Is the Zayuan Mountain Pitviper venomous?
- Yes. The Zayuan Mountain Pitviper (Ovophis zayuensis) is venomous and belongs to the Viperidae family (viper). Its bite is considered high risk to people. Treat any bite as a medical emergency.
- Is the Zayuan Mountain Pitviper poisonous?
- Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Zayuan Mountain Pitviper is venomous, delivering venom through a bite.
- Is the Zayuan Mountain Pitviper dangerous?
- This is a venomous snake. Treat any bite as a medical emergency: stay calm, keep the bitten limb still and roughly level with the heart, remove rings and tight clothing, and get to emergency care immediately. Do not apply a tourniquet, cut the wound, apply ice, or try to suck out venom. Call your local emergency number or poison center.
- Where does the Zayuan Mountain Pitviper live?
- The Zayuan Mountain Pitviper has verified records in 3 countries, including China, India, Myanmar. See the distribution section below for its full range.
If you are bitten by the Zayuan Mountain Pitviper
Do
- Get away from the snake and stay calm. Most bites worsen when people panic or try again to handle the snake.
- Call 911 or Poison Control (1-800-222-1222) right away. Antivenom works best when given early.
- Note the time of the bite and, from a safe distance, the snake's color and pattern, a phone photo is enough. Do not chase it.
- Keep the bitten limb still and at roughly heart level. Sit or lie down and limit movement.
- Remove rings, watches, and tight clothing near the bite before swelling starts.
- Gently wash the bite with soap and water and cover it with a clean, dry dressing.
Do not
- Do not cut the wound or try to suck out the venom.
- Do not apply a tourniquet or ice.
- Do not drink alcohol or caffeine.
- Do not take aspirin or ibuprofen, they can worsen bleeding. Acetaminophen is safer for pain.
- Do not try to catch or kill the snake. A dead snake can still bite by reflex.
First-aid guidance adapted from the U.S. Centers for Disease Control and Prevention (CDC NIOSH), Venomous Snakes. Educational only; always follow the instructions of emergency responders.
Where it is found
More Viperidae snakes
Okinawa PitviperOvophis okinavensis
Taiwan mountain pitviperOvophis makazayazaya
Tonkin Pit ViperOvophis tonkinensis
Chinese Mountain Pit ViperOvophis monticola
Indo-Malayan mountain pitviperOvophis convictus
Pingbian Mountain PitviperOvophis anitae
Guanyinshan Mountain PitviperOvophis zhaoermii
Jenkins’ mountain pitviperOvophis jenkinsi
Classification
How scientists group this snake, from the broadest category down to the exact species. Each step narrows to its closest relatives.
Keep learning
- Are Snakes Dangerous? The Real Risk, in PerspectiveMost snakes are harmless and avoid people. Here is the honest picture of snakebite risk worldwide and how to lower your own.
- Snakebite First Aid: What to Do (and What Never to Do)A clear, CDC-based guide to snakebite first aid: the steps that help, the popular myths that hurt, and how to tell a serious bite from a minor one.
- Venomous vs Nonvenomous: How to Tell the DifferenceThe folk rules for telling venomous snakes apart, where each one fails, and why location-based identification beats guessing by sight.
- What to Do If You Find a SnakeFound a snake at home or on a trail? Here is how to stay calm, give it space, identify it safely, and know when to call a professional.
Distribution from GBIF & iNaturalist. Venom status per CDC. Background: Wikipedia. Informational only. Never handle a snake to identify it.