Description
- Common Name: Transvolcanic Alligator Lizard
- Scientific Name: Barisia imbricata
- Locality/Morph: Wild Type
- Sex: Female
- Age: 2024
- Source: Captive Bred
- Native Range: Central Mexico, along the Trans-Mexican Volcanic Belt
- Natural Habitat: Cool montane pine-oak forests, cloud forests, and rocky woodland habitats at elevations of 1,800–3,500 metres
- Diet: Carnivorous—gut-loaded insects, earthworms, snails, and occasional pinkie mice for large adults.
- Basking Temperature: 28–30°C
- Ambient Temperature: 18–24°C (night drop to 12–18°C)
- Average Adult Size: 25–35 cm total length
The Transvolcanic Alligator Lizard (Barisia imbricata) is a robust, live-bearing lizard native to the cool highlands of central Mexico. Recognised by its heavily keeled scales, elongated body, and powerful limbs, this species spends much of its time moving through leaf litter, beneath fallen logs, and among rocky outcrops. Its calm nature and distinctive appearance have made it a sought-after species among reptile enthusiasts.
A spacious, well-ventilated enclosure with plenty of ground cover is recommended. Cork bark, rock shelters, branches, and dense planting or artificial foliage provide security and encourage natural behaviours. A moisture-retaining substrate such as a soil, leaf litter, and bark mixture helps maintain suitable humidity while allowing for natural digging and foraging.
Temperatures should be maintained with a gentle thermal gradient, allowing access to both warmer basking areas and cooler retreat zones. Unlike many commonly kept reptiles, this montane species benefits from relatively cool conditions and should not be exposed to prolonged high temperatures. Moderate humidity, good ventilation, and access to a fresh water dish are important for healthy shedding and overall wellbeing.
Transvolcanic Alligator Lizards readily accept a varied diet of appropriately sized insects, supplemented with earthworms and other invertebrates. Larger adults may occasionally be offered pinkie mice as an enrichment food item, although insects should remain the primary component of the diet. All insect prey should be gut-loaded and dusted regularly with appropriate calcium and vitamin supplements.
This species is valued for its prehistoric appearance, inquisitive behaviour, and relatively hardy nature when maintained under the correct environmental conditions. While generally tolerant of occasional handling, they are best appreciated as active display animals and are particularly rewarding for keepers interested in unusual montane reptiles.
