Texas alligator lizard (Gerrhonotus infernalis)
Photo: The original uploader was Dawson at English Wikipedia. / CC BY-SA 2.5 · via Wikimedia Commons

Reptile · Alligator lizard

Texas alligator lizard care guide

Gerrhonotus infernalis

Intermediate

The texas alligator lizard is a intermediate-level alligator lizard from Central Texas, NE Mexico. Adults reach 40–60 cm and live 15–20 years in captivity. Largest North American alligator lizard; prehensile tail.

  • Enclosure 120 × 60 × 60 cm
  • Temp Basking 32–35°C, cool 22°C
  • Humidity 40–60%

How much does a texas alligator lizard cost in Canada?

Animal$150–350Typical captive-bred price
Bioactive enclosure$910–1640Enclosure $470–890 · equipment $190–420 · bioactive supplies ≈ $270
Yearly upkeep$250–400Food, supplements, bulbs, power, vet fund
First year total$1310–2390All prices CAD, estimates

Texas alligator lizard quick facts

Skill level
Intermediate
Adult size
40–60 cm
Lifespan
15–20 years
Activity
Diurnal
Native range
Central Texas, NE Mexico
Minimum enclosure
120 × 60 × 60 cm (47 × 24 × 24 in, ≈ 114 US gal)
Housing
Best kept alone.
Temperature
Basking 32–35°C, cool 22°C
Humidity
40–60%
UVB
Recommended
Diet
Carnivore – roaches, crickets, pinkies
Bioactive style
Semi-arid

Texas alligator lizard enclosure & bioactive setup

Give one adult at least 120 × 60 × 60 cm (47 × 24 × 24 inches). Best kept alone. This species suits a semi-arid bioactive build.

  1. Leaf litter2 cm
  2. Jurassic ABG Semi-Arid Blend12 cm

No drainage layer – water deeply but rarely so the bottom stays slightly moist while the surface stays dry.

Temperature: Basking 32–35°C, cool 22°C. Humidity: 40–60%. UVB: Recommended.

What does a texas alligator lizard eat?

Carnivore – roaches, crickets, pinkies. Adults every 2–3 days, juveniles daily.

Handling, temperament & health

Can tame but bites hard.

Health watch: Tail loss and obesity.

Cleaning & maintenance schedule

Daily

  • Check basking surface temperature with an infrared thermometer.
  • Keep the humid hide damp; refresh water.

Weekly

  • Spot-clean waste.
  • Every 1–2 weeks, pour water down into the soil around plants and in the cool corner.

Monthly

  • Check stones and wood are stable and can’t be tunnelled under.
  • Add a few leaves to the cool corner for isopods.

Yearly

  • Refresh the top layer in the basking area.
  • Replace UVB bulbs on schedule.

Recommended for a texas alligator lizard bioactive

Quantities are for one minimum-size enclosure (120 × 60 × 60 cm).

Texas alligator lizard FAQ

Is the texas alligator lizard good for beginners?

The texas alligator lizard is best for keepers with some experience (intermediate). Can tame but bites hard.

What size enclosure does a texas alligator lizard need?

At least 120 × 60 × 60 cm (about 47 × 24 × 24 inches, roughly 114 US gallons) for one adult. Best kept alone.

How much does a texas alligator lizard cost in Canada?

Typically $150–350 CAD to buy, about $910–1640 CAD for a complete bioactive enclosure, and $250–400 CAD a year to keep.

What temperature and humidity does a texas alligator lizard need?

Temperature: Basking 32–35°C, cool 22°C. Humidity: 40–60%.

What does a texas alligator lizard eat?

Carnivore – roaches, crickets, pinkies. Adults every 2–3 days, juveniles daily.

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This care sheet is general guidance from One Bioactive, not veterinary advice. Needs vary with age, locality and individual animals – confirm with your breeder and an exotics vet. Prices are typical Canadian ranges in CAD and change over time.