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Sakishima habu
Protobothrops elegans
A highly venomous and intensely patterned pitviper originating from the southern Japanese Ryukyu islands, visually striking with its intricate, dark diamond-shaped patterns.
Class:Squamata
Order:Squamata
Family:Viperidae
Subfamily:Crotalinae
Genus:Protobothrops
Species:Protobothrops elegans
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Environment
Terrestrial
Humidity
60 - 80 %
Day temperature
25 - 29 °C
Night temperature
21 - 24 °C
Adult size
132 cm
UVB
Low - Medium
Species description
Geographical Origin and Habitat: The Sakishima habu is a venomous pitviper endemic to the Sakishima Islands, which form the southern group of the Ryukyu Archipelago in Japan. It inhabits diverse environments, including subtropical forests, grasslands, agricultural fields (especially sugarcane fields), and areas near human villages.
Taxonomy and Genetics: Belonging to the family Viperidae and subfamily Crotalinae. The genus Protobothrops includes several highly venomous Asian pitvipers. Genetic research shows that Protobothrops elegans evolved in geographic isolation within the Sakishima islands, adapting to prey on local small vertebrates.
Behavior and Habits: Primarily a nocturnal and terrestrial snake, although it is capable of climbing low bushes. During the day, it shelters under rocks, fallen logs, crevices, or stone walls. It is an active hunter that preys on rodents, lizards, and small birds, locating them using its heat-sensing loreal pits.
Morphology: Features a slender yet muscular body with a distinct, elongated triangular head. Adult specimens typically reach a length between 60 and 120 centimeters. The color pattern consists of a greyish-brown or reddish-brown base color, marked by complex, dark brown or black dorsal geometric blotches.
Care, breeding and tankmates
Terrarium Setup: As a venomous snake of medical significance, a highly secure, locked terrarium (minimum 100x50x60 cm) is mandatory. The substrate should be coco coir or peat moss kept slightly damp. Provide sturdy, well-secured climbing branches and multiple dry hide boxes at different thermal zones on the floor.
Lighting and Heating: Provide a thermal gradient with a cool end at 24-25°C and a warm basking spot at 28-30°C using a protected heating element. Night temperatures can drop to 20-22°C. Provide low-intensity lighting for a natural 12-hour photoperiod to avoid stress to this nocturnal predator.
Humidity and Hydration: Maintain moderate to high humidity between 65% and 80%. Mist the enclosure regularly with dechlorinated water to facilitate healthy shedding and respiratory function. A heavy, spill-proof water bowl filled with clean water must always be present and cleaned daily.
Feeding and Supplementation: Readily accepts appropriate-sized rodents (mice or small rats) in captivity. Feed adults once every 10-14 days, and juveniles weekly. Vitamin or calcium supplements are not necessary if the snake is fed high-quality, whole feeder rodents regularly.
Compatibility: Strictly solitary. Do not house with other snakes. Aggressive territorial behavior and feeding accidents are significant risks. Handling must be avoided except when absolutely necessary, and only by trained keepers using professional snake hooks, tongs, and shifting boxes.
Health and Common Diseases: Susceptible to skin infections and scale rot if the substrate is allowed to remain soggy. Respiratory issues can develop from poor air circulation and high humidity. Incomplete sheds can be treated by temporary humidity boosts. The venom is potent and requires immediate medical attention.
Geographic Origin and Distribution
The Sakishima habu is a venomous pitviper endemic to the Sakishima Islands, which form the southern group of the Ryukyu Archipelago in Japan. It inhabits diverse environments, including subtropical forests, grasslands, agricultural fields (especially sugarcane fields), and areas near human villages.
Origin
East Asia
Reptile profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 132 cm
- Lifestyle/Microhabitat
- No verified data available
- Activity cycle
- No verified data available
- Sociality
- No verified data available
- Reproduction
- No verified data available
- Handling tolerance
- No verified data available
- Brumation
- No verified data available
- Molting
- No verified data available
The catalog's scalar value is 132 cm. The ReptTraits v1.2 source reports a maximum adult measurement of 132 cm for this species, recorded as total length (TL). These figures are not interchangeable: the first is the profile's editorial reference, whereas the second is a published maximum under a specific measurement convention; differences among sources can reflect sex, population, life stage and measuring method.
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