Common name: Blue-Tongue Skink (often shortened to BTS)
Scientific genus: Tiliqua
Origin: Australia, New Guinea, Indonesia (various subspecies)
Type: Large ground-dwelling skink (lizard)
Size: 18–24 inches long (some up to 30 in. depending on species)
Weight: ~1–3 lbs
Body: Stout, elongated body with short legs and a broad head
Skin/Scales: Smooth, shiny, banded patterns (brown, tan, black, or orange)
Tail: Thick, fat-storing, can drop if threatened (but not as easily as geckos)
Signature trait: Bright blue tongue used to startle predators when threatened
Disposition: Generally calm, curious, and tolerant — one of the most docile pet lizards
Handling: Usually easy to tame, but need gentle handling (they can bite if scared)
Behavior: Slow-moving, ground-dwelling, often bask in sunlight/heat sources
Enclosure: Large horizontal terrarium (at least 40–75 gallons for adults)
Temperature:
Basking spot: 95–100°F
Cool side: 70–80°F
Night: no lower than ~65°F
Lighting: UVB light recommended for calcium metabolism & health
Substrate: Aspen, cypress mulch, or reptile-safe soil; they like to burrow
Type: Omnivore
Diet mix:
~50% vegetables/greens (collard greens, squash, carrots)
~40% protein (insects, cooked lean meat, high-quality dog food, boiled eggs, snails)
~10% fruits (berries, melon, mango — limited due to sugar)
Calcium supplementation important to prevent metabolic bone disease
Lifespan: 15–20 years in captivity