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Saw-scaled viper
Echis carinatus
Widely distributed across Asia, this is one of the world's most dangerous venomous snakes. It is infamous for its fierce temperament and chilling warning stridulation.
Class:Squamata
Order:Squamata
Family:Viperidae
Subfamily:Viperinae
Genus:Echis
Species:Echis carinatus
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Environment
Terrestrial
Humidity
40 - 60 %
Day temperature
25 - 31 °C
Ambient temperature
25 - 31 °C
Night temperature
18 - 22 °C
Basking spot
35 - 37 °C
Adult size
80 cm
Minimum enclosure
>= 120 L
UVB
Medium
Species description
Geographical Origin and Habitat: Echis carinatus has an extensive distribution across dry regions of Southern Asia and the Middle East, including India, Pakistan, Afghanistan, Iran, and parts of the Arabian Peninsula. It thrives in sandy deserts, semi-arid plains, dry shrublands, rocky hills, and disturbed agricultural zones. An incredibly adaptable species, it is frequently found in close proximity to human dwellings, where it hides under piles of wood, bricks, and within foundation crevices.
Taxonomy and Genetics: Belonging to the family Viperidae, it is the type species of the genus Echis. Described by Schneider in 1801, it features several recognized subspecies (such as E. c. carinatus, E. c. sochureki, and E. c. multisquamatus) showing marked genetic and morphological variation across their geographic ranges. Phylogenetic analyses show high genomic diversity that affects venom composition and antivenom efficacy between populations.
Behavior and Habits: This species is notorious for its extremely irritable temperament and high readiness to strike. When threatened, it assumes a defensive posture by coiling into continuous C-shaped loops and rubbing its specialized serrated lateral scales together to produce a loud, sizzling sound. It is primarily nocturnal and crepuscular. It frequently employs sidewinding locomotion to travel efficiently over loose sand.
Morphology: Adult specimens typically range from 38 to 60 centimeters in length, though rare individuals can reach 80 cm. The head is short, wide, distinctly triangular, covered in heavily keeled scales, and marked with a characteristic arrow- or cross-shaped pattern on top. The body is relatively stout and cylindrical. Dorsal color varies from grey to golden-brown, with whitish geometric spots and wavy flank stripes.
Care, breeding and tankmates
Terrarium Setup: An adult specimen requires a secure, locked terrarium measuring at least 80x50x50 cm. The substrate should be a dry sand-clay mix (5-6 cm deep) allowing the snake to bury itself. Secure, heavy hides such as commercial plastic caves, firmly anchored rock structures, and hollow cork logs are essential in both temperature zones. Avoid any unstable decor that could shift.
Lighting and Heating: Provide a daytime temperature of 25-27°C (77-81°F) at the cool end and 31-33°C (88-91°F) at the warm end, with a focused basking spot of 35-37°C (95-99°F) using heat lamps mounted out of the snake's reach. Turn off heating at night to allow a drop to 20-22°C (68-72°F). A 5.0 UVB bulb is required to regulate circadian rhythms and aid calcium synthesis.
Humidity and Hydration: Maintain relative humidity between 30% and 40%. Higher levels lead to bacterial dermatitis and respiratory illness. Place a heavy, non-tip water bowl in the cool zone, keeping the surrounding substrate completely dry. A plastic hide filled with damp sphagnum moss should be offered during shed cycles to assist shedding.
Feeding and Supplementation: Feeds on appropriately sized mice, which must be fully thawed and offered using long metal tongs. Feed adults once every 10 to 12 days. Preys should be dusted with calcium and vitamin D3 powder once a month. To prevent sand ingestion, do not feed the snake directly on loose substrate; use a feeding tray or bare container.
Compatibility: Strictly solitary. Housing multiple specimens together will lead to territorial fighting, stress, and potential cannibalism. As one of the "Big Four" venomous snakes in India responsible for numerous fatalities, it must only be kept by professional keepers using appropriate snake hooks, tongs, and protective barriers.
Health and Common Diseases: Vulnerable to mite infestations, respiratory infections from cold drafts, and retained sheds due to lack of localized moisture. The venom is hemotoxic and causes severe systemic hemorrhaging. Regular spot cleaning of waste and monthly disinfection of the enclosure with reptile-safe products are crucial to prevent bacterial infections.
Geographic Origin and Distribution
Echis carinatus has an extensive distribution across dry regions of Southern Asia and the Middle East, including India, Pakistan, Afghanistan, Iran, and parts of the Arabian Peninsula. It thrives in sandy deserts, semi-arid plains, dry shrublands, rocky hills, and disturbed agricultural zones. An incredibly adaptable species, it is frequently found in close proximity to human dwellings, where it hides under piles of wood, bricks, and within foundation crevices.
Origin
Europe, Mediterranean, and West AsiaSouth and Southeast Asia
Reptile profile
- Diet
- No verified data available
- Life expectancy
- No verified data available
- Adult size
- 80 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 80 cm. The ReptTraits v1.2 source reports a maximum adult measurement of 80 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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