Blue-tongued skinks are rapidly growing in popularity as reptile pets. Their signature blue tongues and docile nature make them especially appealing. However, not everyone is familiar with their actual size and natural habitat.
In this article, we’ll cover everything from average size, native environment, species differences, to key tips on keeping them as pets. Whether you’re a complete beginner or just curious, this guide is a great place to start.
What You’ll Learn from This Article:
- Average size and weight of blue-tongued skinks
- How habitat and species affect their appearance and behavior
- Recommended cages and necessary equipment
- Feeding tips and temperament notes for beginners
🇯🇵 Read this article in Japanese
Size and Physical Characteristics of Blue-Tongued Skinks
Average Size and Weight
Blue-tongued skinks vary in size depending on the species. On average, adults range from 40–70cm (16–28 inches) in total length and weigh about 450–600g (1–1.3 lbs).
| Species | Average Length | Average Weight |
|---|---|---|
| Northern Blue-tongued Skink | 50–60cm (20–24 in) | ~500g (1.1 lbs) |
| Eastern Blue-tongued Skink | 40–55cm (16–22 in) | ~450g (1.0 lbs) |
| Tanimbar Blue-tongued Skink | 30–40cm (12–16 in) | ~400g (0.9 lbs) |
| Indonesian Giant Blue-tongued Skink | 60cm+ (24 in+) | 600g+ (1.3 lbs+) |
Some species like the Tanimbar skink are especially popular among beginners due to their smaller size and manageability.
Physical Appearance
- Long, cylindrical body with short limbs
- Shorter tail compared to body length
- Slow, lumbering movement (rarely jumps or dashes)
- Wide mouth and expressive face
Their unique body shape is often compared to mythical creatures and gives them a cute, distinctive look.
Temperament: Are They Tame?
Blue-tongued skinks are generally tame and easy to handle, especially the Northern variety. They:
- Can be hand-tamed
- Get used to people easily
- Rarely hiss or act aggressively
However, some individuals may be shy at first, so it’s best to give them time and space to adjust.
Natural Habitat and Species Differences
Geographic Distribution and Environment
Blue-tongued skinks are native to Australia, where they thrive in a wide range of environments:
- Forests (temperate and subtropical)
- Savannas and grasslands
- Arid deserts
- Urban gardens and parks
Some species are also found in Indonesia and Papua New Guinea, adapted to more humid, tropical climates.
Species Overview
Northern Blue-tongued Skink
- Native to: Northern Australia
- Length: 50–60cm (20–24 in)
- Temperament: Calm, easy to tame
- Notable Traits: Tolerates temperature changes well; adapts to commercial reptile foods
Other Common Species:
| Species | Notable Traits |
|---|---|
| Eastern Blue-tongued Skink | Reddish-brown with dark bands; relatively rare |
| Tanimbar Blue-tongued Skink | From Indonesia; small, sensitive, and uniquely patterned |
| Indonesian Giant Blue-tongued Skink | Large and striking; needs spacious housing |
Different habitats and species bring unique size, temperament, and care needs—choosing the right one is key.
How to Care for a Blue-Tongued Skink
Basic Habitat Requirements
Though hardy, blue-tongued skinks need proper conditions:
- Temperature: 28–32°C (82–90°F) during the day; drop to ~25°C (77°F) at night
- Humidity: 40–60%
- UVB Lighting: Essential for calcium metabolism
- Substrate: Coconut fiber, newspaper, or reptile liners
- Shelter: Provide a hide for security
Recommended Cage Sizes
Based on skink size:
| Skink Length | Recommended Cage Size |
|---|---|
| 40–50cm (16–20 in) | 60–90cm x 45cm x 45cm (24–36 in x 18 in x 18 in) |
| 60cm+ (24 in+) | 90–120cm x 45cm x 45cm+ (36–48 in x 18 in x 18 in+) |
Focus on horizontal space rather than height.
Diet and Feeding Tips
Blue-tongued skinks are omnivores. They enjoy:
- Insects (crickets, mealworms)
- Vegetables (kale, carrots, squash)
- Fruits (bananas, strawberries, apples)
- Commercial reptile foods
Feeding frequency:
- Juveniles: Daily
- Adults: Every 2–3 days
Sprinkle calcium and vitamin supplements to maintain good health.
Cost and Affordability
Prices vary by species and availability:
| Species | Price Range |
|---|---|
| Northern Blue-tongued Skink | ¥30,000–¥50,000 (approx. $200–$340 USD) |
| Tanimbar Blue-tongued Skink | ¥15,000–¥30,000 (approx. $100–$200 USD) |
| Indonesian Giant Skink | ¥60,000+ (approx. $400+ USD) |
Tanimbar skinks are budget-friendly and ideal for first-time keepers.
Summary: Key Facts About Blue-Tongued Skinks
- Adults typically grow to 40–70cm (16–28 in) and weigh 450–600g (1–1.3 lbs)
- Larger species can exceed 60cm (24 in) and 600g (1.3 lbs)
- Native mainly to Australia, but some live in Indonesia/Papua New Guinea
- Adaptable to diverse environments
- Northern skinks are beginner-friendly
- Tanimbar skinks are compact and affordable
- Require controlled temperature, humidity, and UVB
- Ideal cage width is 90cm+ (36 in+) for adults
- Omnivorous; feed mixed diet with supplements
- Docile and easy to handle for beginners
Blue-tongued skinks are truly charming and manageable reptile pets. With the right care, they can be great long-term companions!
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