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Asp viper
Vipera aspis
The Asp Viper of Western Europe favors sunny, dry, rocky habitats. A highly venomous ambush hunter, it requires a secure, horizontally structured terrarium and brumation.
Class:Squamata
Order:Squamata
Family:Viperidae
Subfamily:Viperinae
Genus:Vipera
Species:Vipera aspis
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Environment
Terrestrial
Humidity
45 - 65 %
Day temperature
10 - 28 °C
Ambient temperature
10 - 28 °C
Night temperature
19 - 21 °C
Basking spot
28 - 30 °C
Adult size
85 cm
Minimum enclosure
>= 120 L
Brumation temperature
4 - 8 °C
UVB
Low
Species description
Geographical Origin and Habitat: The Asp Viper is native to Western Europe, highly prevalent in France, Italy, Switzerland, extreme southwestern Germany, and northern Spain. It inhabits sunny, dry environments including rocky hillsides, scrublands, open deciduous forests, stone walls, and alpine pastures up to elevations of 2,500 meters.
Taxonomy and Genetics: Belonging to the family Viperidae, subfamily Viperinae, and genus Vipera. Several subspecies are currently recognized: Vipera aspis aspis, Vipera aspis francisciredi, Vipera aspis hugyi, and Vipera aspis zinnikeri, differentiated primarily by geographic distribution, ventral scale counts, and color variations.
Behavior and Habits: Strictly solitary and diurnal. During the hottest summer weeks, it may switch to crepuscular activity. It undergoes brumation (winter dormancy) from late October to March. It is an ambush hunter, using its venom containing neurotoxic and proteolytic enzymes to subdue prey.
Morphology: A relatively short snake, typically measuring 60 to 75 cm. It features a distinct triangular head with a slightly upturned snout tip. The eyes have vertical slit pupils. The dorsal pattern is highly variable, ranging from light gray and tan to dark brown or black, with a darker zig-zag pattern or crossbands.
Care, breeding and tankmates
Terrarium Setup: A horizontally structured enclosure of at least 100x50x50 cm is required, secured with professional safety locks. Substrate should consist of dry soil mixed with gravel, decorated with stable flat stones, dry leaf litter, and hollow logs to create hideouts.
Lighting and Heating: Provide a thermal gradient with a basking spot of 28-30°C (82-86°F) and a cool zone of 20-22°C (68-72°F). Night temperatures should fall to 16-18°C (60-64°F). Install a moderate-output UVB light source on a 10-12 hour daily schedule.
Humidity and Hydration: Maintain low to moderate humidity (40-50%). Lightly mist a corner of the cage once a week. Keep a shallow, heavy water dish in the cool section, ensuring it is cleaned and refilled with fresh water regularly.
Feeding and Supplementation: Offer thawed domestic mice of appropriate size every 10-14 days. Feeding must be done exclusively using long forceps to prevent any defensive strikes. Supplementation with vitamins is generally unnecessary if feeding healthy rodents.
Compatibility: Strictly solitary and venomous. House individually to prevent territorial stress or potential fighting. Keeping venomous snakes requires specialized safety equipment (hooks, shift boxes) and complying with local regulatory laws.
Health and Common Diseases: High humidity, poor ventilation, or wet substrates cause blister disease (scale rot) and respiratory infections. It requires a mandatory brumation period at 5-8°C (41-46°F) for 3-4 months to maintain long-term health and fertility.
Geographic Origin and Distribution
The Asp Viper is native to Western Europe, highly prevalent in France, Italy, Switzerland, extreme southwestern Germany, and northern Spain. It inhabits sunny, dry environments including rocky hillsides, scrublands, open deciduous forests, stone walls, and alpine pastures up to elevations of 2,500 meters.
Origin
Europe, Mediterranean, and West Asia
Reptile profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 85 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 85 cm. The ReptTraits v1.2 source reports a maximum adult measurement of 85 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.
Image gallery
Licensed images linked to the species or, when marked, to the closest representative taxon.
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