Sakishima Habu
Protobothrops elegans
A medium-sized venomous pit viper endemic to the Sakishima Islands of southern Japan.
- Venomous?
- Venomous
- Adult length
- 0.7-1.2 m (2.3-4 ft)
- Range
- Sakishima Islands (Miyako and Yaeyama groups), Japan
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Overview
The Sakishima habu is a pit viper restricted to the Sakishima group of the Ryukyu Islands, including Miyako and the Yaeyama Islands. It is one of several habu species that inhabit Japan's subtropical southern islands.
It is a medically significant snake within its limited range, and local communities take precautions in areas where it is common, particularly in forested and rural landscapes.
How to identify it
- Light brown to tan body with dark brown, irregular blotches or crossbands
- Moderately robust build
- Broad, triangular head distinct from the neck
- Vertically elliptical pupils
- Rough, keeled scales
- Distinguished from the Okinawan habu by geographic range and subtle pattern differences
Habitat & range
Inhabits forests, scrubland, and agricultural margins across the Sakishima Islands, often found near stone walls, dense vegetation, and rocky outcrops.
Behavior, diet & reproduction
Nocturnal hunter of rodents, birds, and lizards. Relies on ambush tactics from concealed positions in vegetation or rock crevices. Reproduces by laying eggs.
Frequently asked questions
Where does the Sakishima habu live?
It is found on the Sakishima Islands of Japan, including Miyako and the Yaeyama group.
Is the Sakishima habu venomous?
Yes, it is a venomous pit viper with medically significant bites.
How is it different from other habus?
It is geographically restricted to the Sakishima Islands, distinguishing it from habus found on Okinawa or Amami.
What does it eat?
It preys mainly on rodents, birds, and lizards.
Sakishima Habu guides
In-depth guides for identifying and understanding Sakishima Habu.
