Elapidae
Müller’s Crown Snake
VenomousAspidomorphus muelleri

The Müller’s Crown Snake (Aspidomorphus muelleri) is a venomous snake in the Elapidae 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
- Elapidae
- Danger
- high
About the Müller’s Crown Snake
Aspidomorphus muelleri, also known commonly as Müller's crown snake and Müller's crowned snake, is a species of venomous snake in the subfamily Hydrophiinae of the family Elapidae. The species is native to Oceania. There are three recognized subspecies.
Etymology
The specific name, muelleri, is in honor of German naturalist Salomon Müller.
Description
Aspidomorphus muelleri may attain a total length of 50 cm (20 in), including a tail length of 7 cm (2.8 in). It has six upper labials, the third and fourth in contact with the eye. The dorsal scales are arranged in 15 rows at midbody. The anal plate is divided.
Geographic distribution
Aspidomorphus muelleri is found in Indonesia and Papua New Guinea.
Habitat
The preferred natural habitats of Aspidomorphus muelleri are forest, shrubland, and grassland, at elevations of 500–1,500 m (1,600–4,900 ft).
Behavior
Aspidomorphus muelleri is terrestrial.
Reproduction
Aspidomorphus muelleri is oviparous.
Subspecies
The following three subspecies of Aspidomorphus muelleri are recognized as being valid, including the nominotypical subspecies.
Aspidomorphus muelleri muelleri (Schlegel, 1837)
Aspidomorphus muelleri interruptus Brongersma, 1934
Aspidomorphus muelleri lineatus Brongersma, 1934
Adapted from Wikipedia, available under CC BY-SA.
Frequently asked: Müller’s Crown Snake
- Is the Müller’s Crown Snake venomous?
- Yes. The Müller’s Crown Snake (Aspidomorphus muelleri) is venomous and belongs to the Elapidae family (cobra, mamba, coral or sea snake). Its bite is considered high risk to people. Treat any bite as a medical emergency.
- Is the Müller’s Crown Snake poisonous?
- Snakes are venomous, not poisonous. "Poisonous" means harmful to eat or touch; "venomous" means injecting toxins through a bite. The Müller’s Crown Snake is venomous, delivering venom through a bite.
- Is the Müller’s Crown Snake 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 Müller’s Crown Snake live?
- The Müller’s Crown Snake has verified records in 3 countries, including Papua New Guinea, Indonesia, Solomon Islands. See the distribution section below for its full range.
- Why is it called the Müller’s Crown Snake?
- The specific name, muelleri, is in honor of German naturalist Salomon Müller.
If you are bitten by the Müller’s Crown Snake
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 Elapidae snakes
Striped Crown SnakeAspidomorphus lineaticollis
Schlegel’s Crown SnakeAspidomorphus schlegelii
Red-bellied Black SnakePseudechis porphyriacus
Tiger SnakeNotechis scutatus
Eastern Brown SnakePseudonaja textilis
Texas CoralsnakeMicrurus tener
Many-banded KraitBungarus multicinctus
Lowlands CopperheadAustrelaps superbus
Classification
How scientists group this snake, from the broadest category down to the exact species. Each step narrows to its closest relatives.
- OrderThe broad group of scaled reptiles: all snakes and lizards
- Squamata
- FamilyA group of related snakes that share key traits
- Elapidae
- GenusA close-knit group of very similar species
- Aspidomorphus
- SpeciesThis exact snake, named in the two-part scientific name
- Aspidomorphus muelleri
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.