Variable Coral Snake
Micrurus diastema
A tricolor coral snake with highly variable banding patterns found across much of Mexico and northern Central America.
- Venomous?
- Venomous
- Adult length
- 0.5-0.9 m (1.6-3 ft)
- Range
- Mexico and Central America (Belize, Guatemala)
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Overview
The variable coral snake is aptly named for the considerable variation in its band patterns and counts across its range, spanning much of Mexico into Belize and Guatemala. It is one of the more commonly encountered coral snakes in the region.
It possesses potent neurotoxic venom typical of coral snakes and, though generally shy and reluctant to bite, is medically significant where it occurs.
How to identify it
- Bands of red, black, and yellow, with pattern and band count varying regionally
- Black snout, typically extending onto the first few body bands
- Smooth, glossy scales
- Round pupils and small head not distinct from the neck
- Regional subspecies show notable differences in banding, requiring range context for identification
Habitat & range
Inhabits humid and subhumid lowland forest, forest edge, and agricultural areas across Mexico, Belize, and Guatemala, mostly at lower elevations.
Behavior, diet & reproduction
Secretive and often fossorial, more active at dusk, night, or after rain. Feeds primarily on other snakes and lizards. Egg-laying.
Frequently asked questions
Is the variable coral snake dangerous?
Yes, it is venomous with potent neurotoxic venom and is considered medically significant.
Why is it called 'variable'?
Its banding pattern and band counts vary considerably across its range.
Where is it found?
It occurs across much of Mexico and into Belize and Guatemala.
What does it eat?
It preys mainly on other snakes and lizards.
Variable Coral Snake guides
In-depth guides for identifying and understanding Variable Coral Snake.
