How long do Chuckwallas live?
Chuckwallas are long-lived, commonly 15-25 years in captivity (wild records approach 65), and reach 15-20 inches (38-50 cm) with adult males noticeably larger and heavier, up to 1.5 kg.
What do Chuckwallas eat?
They are herbivores: leafy greens and weeds (collard, mustard, dandelion, endive), flowers, squash, and small amounts of fruit as a rare treat. Feed daily a salad larger than their head. Dust with calcium several times a week and a D3 multivitamin weekly. Keep animal protein and high-sugar fruit minimal — excess protein causes kidney disease, the classic chuckwalla killer.
Chuckwalla enclosure setup
Adults need a 75-gallon or larger terrarium (ideally 48x24x24 inches / 120x60x60 cm) packed with flat rocks and crevices to wedge into. Provide a basking spot of 100-110°F (38-43°C), ambient 85-95°F (29-35°C), and a cool end near 80°F (27°C); nights drop to 70°F (21°C). Strong desert UVB (10-12% T5) is essential. Keep humidity low at 20-30% with a water bowl.
Common mistakes with Chuckwallas
Leading errors: too much protein or fruit (kidney failure), insufficient basking heat and UVB (MBD and lethargy), a bare tank with no rock crevices (stress — they need to wedge), and too small an enclosure for a 20-inch lizard.
Beginner mistakes to avoid
- Feeding animal protein or lots of fruit — kidney disease is the classic fatal error.
- Basking below 100°F (38°C) and weak UVB — metabolic bone disease.
- No rock crevices to wedge into — chronic stress for a hiding specialist.
- Under-sized enclosure — they reach nearly two feet.