Mertens' Coral Snake
Micrurus mertensi
A South American coral snake honoring herpetologist Robert Mertens, found in the dry western forests of Ecuador and Peru.
- Venomous?
- Venomous
- Adult length
- 0.6-1.0 m (2-3.3 ft)
- Range
- Pacific slopes of Ecuador and Peru
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Overview
Mertens' coral snake is named after Robert Mertens, a prominent 20th-century German herpetologist known for his extensive work on reptile taxonomy. The species occurs along the arid Pacific lowlands and interior dry valleys of Ecuador and northwestern Peru.
It shares the classic tricolor warning coloration of Micrurus species and, like its relatives, is secretive and rarely seen despite carrying potent venom.
How to identify it
- Red, black, and white/yellow tricolor rings arranged in triads
- Smooth, glossy scales
- Small black-capped head, not distinct from neck
- Round pupils
- Moderate body length typical of the genus
- Distinguished from similar species by geographic range and subtle scale count differences
Habitat & range
Found in dry tropical forest, thorn scrub, and semi-arid habitats along the Pacific versant of Ecuador and northwestern Peru, including interior dry valleys. Occurs from near sea level to moderate elevations, hiding in leaf litter and beneath logs.
Behavior, diet & reproduction
Fossorial and secretive, mostly active at night or during humid weather. Feeds primarily on other snakes and elongate lizards. Reproduces by laying eggs, typically in sheltered, moist sites.
Frequently asked questions
Who was this snake named after?
German herpetologist Robert Mertens, known for extensive contributions to reptile taxonomy.
Where is it found?
Along the dry Pacific slopes of Ecuador and northwestern Peru.
Is it venomous?
Yes, it has neurotoxic venom typical of coral snakes but is shy and rarely encountered.
Mertens' Coral Snake guides
In-depth guides for identifying and understanding Mertens' Coral Snake.
