Southern Fence Swift: A Fast and Hardy Lizard

The southern fence swift (Sceloporus undulatus) is a small, spiny lizard native to the southeastern U.S., known for its quick movements and bold, sun-loving behavior. With proper care and setup, this swift climber makes a rewarding display reptile for beginners and seasoned keepers alike. You can explore enclosure supplies and healthy reptiles at onestopreptileshop.com.

What Makes the Southern Fence Swift Unique?

This energetic reptile is commonly seen basking on logs, rocks, and fence posts, quickly darting away at the slightest movement—hence the nickname “swift lizard.” Adults typically grow between 4 and 7 inches and feature textured, keeled scales that provide a rugged, almost prehistoric appearance. Males display vivid blue patches along their bellies and throats, especially during the breeding season.

They are diurnal, thrive in warm temperatures, and can adapt well to captivity with the right environment.

Creating the Right Habitat for a Swift Lizard

These small spiny lizards prefer dry, open setups with both vertical and horizontal climbing options. Think rocky outcrops and fallen logs under a bright heat lamp.

Enclosure tips:

• Tank size: 20-gallon long (minimum)

• Temps: 75–85°F ambient, 95°F basking area

• Humidity: 40–60%, with good ventilation

• Lighting: Full-spectrum UVB 10–12 hours daily

• Substrate: Sand-soil mix or dry coconut fiber

• Decor: Rocks, bark pieces, low climbing branches

UVB is essential for calcium absorption and overall health, while dry environments help prevent skin issues.

Feeding Your Spiny Lizard

The southern fence swift is an insectivore that benefits from a protein-rich, varied diet.

Food suggestions:

• Crickets and small dubia roaches

• Black soldier fly larvae and mealworms

• Waxworms or butterworms (as treats)

• All insects should be gut-loaded and dusted with calcium + D3

Feed juveniles daily and adults every 2–3 days. Provide fresh water in a shallow dish, though they often prefer to drink from droplets when misted.

A Great Choice for Observation

While not typically a hands-on pet, the swift lizard shines in naturalistic enclosures. Its alert behavior and quick bursts of motion bring life and energy to any setup.

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Conclusion

If you’re seeking a hardy, active reptile with striking looks and low-maintenance care needs, the southern fence swift is an excellent pick. It thrives in dry, well-lit enclosures and rewards keepers with dynamic, engaging behavior.

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