Rock Mamushi
Gloydius saxatilis
A rock-dwelling pit viper native to the Korean Peninsula, closely resembling other regional mamushis.
- Venomous?
- Venomous
- Adult length
- 0.5-0.7 m (1.6-2.3 ft)
- Range
- Korean Peninsula and parts of northeastern China
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Overview
The rock mamushi is a Gloydius species found primarily in Korea and adjacent parts of northeastern China. It favors rocky terrain, from which its common name derives, and is part of the closely related mamushi group of pit vipers.
It has historically been confused with other Gloydius species due to overlapping ranges and similar appearance.
How to identify it
- Brownish-gray body with dark, rounded dorsal blotches
- Compact, stout build
- Triangular head distinct from the neck
- Vertically elliptical pupils
- Keeled scales
- Distinguished from the short-tailed and Ussuri mamushis mainly by range and subtle scale differences
Habitat & range
Inhabits rocky hillsides, mountain slopes, and forest edges across Korea and adjacent northeastern China, often near stone walls and boulder fields.
Behavior, diet & reproduction
Active by day and dusk, sheltering in rock crevices. Feeds on small rodents, lizards, and amphibians. Gives live birth to litters of young in late summer.
Frequently asked questions
Where is the rock mamushi found?
It occurs primarily on the Korean Peninsula and in adjacent parts of northeastern China.
Why is it called the rock mamushi?
It favors rocky hillsides and boulder-strewn terrain as its preferred habitat.
Is it venomous?
Yes, it is a venomous pit viper closely related to other mamushi species.
What does it eat?
Small rodents, lizards, and amphibians.
Rock Mamushi guides
In-depth guides for identifying and understanding Rock Mamushi.
