Reptile · Venomous snake
Western diamondback rattlesnake care guide
Crotalus atrox
The western diamondback rattlesnake is a expert-level venomous snake from SW United States, N Mexico. Adults reach 90–180 cm and live 15–25 years in captivity. Hemotoxic venom; keep a bite protocol and confirm antivenom access before acquiring.
- Enclosure 150 × 60 × 60 cm
- Temp Warm 30–32°C, cool 22–24°C
- Humidity 30–50%
How much does a western diamondback rattlesnake cost in Canada?
Western diamondback rattlesnake quick facts
- Skill level
- Expert
- Adult size
- 90–180 cm
- Lifespan
- 15–25 years
- Activity
- Crepuscular
- Native range
- SW United States, N Mexico
- Minimum enclosure
- 150 × 60 × 60 cm (59 × 24 × 24 in, ≈ 143 US gal)
- Housing
- Best kept alone.
- Temperature
- Warm 30–32°C, cool 22–24°C
- Humidity
- 30–50%
- UVB
- Recommended
- Diet
- Carnivore – frozen/thawed mice and rats
- Bioactive style
- Semi-arid
Western diamondback rattlesnake enclosure & bioactive setup
Give one adult at least 150 × 60 × 60 cm (59 × 24 × 24 inches). Best kept alone. This species suits a semi-arid bioactive build.
- Leaf litter2 cm
- Jurassic ABG Semi-Arid Blend10 cm
No drainage layer – water deeply but rarely so the bottom stays slightly moist while the surface stays dry.
Temperature: Warm 30–32°C, cool 22–24°C. Humidity: 30–50%. UVB: Recommended.
Some Canadian provinces and many municipalities restrict or ban this species. Check your local bylaws and any provincial permit rules before buying.
What does a western diamondback rattlesnake eat?
Carnivore – frozen/thawed mice and rats. Feed one appropriately sized thawed rodent every 10–14 days.
Handling, temperament & health
Never free-handle; use hooks, tongs, tubes and a lockable enclosure.
Health watch: Watch for respiratory infections and mouth rot.
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 western diamondback rattlesnake bioactive
Quantities are for one minimum-size enclosure (150 × 60 × 60 cm).
Jurassic ABG Semi-Arid Blend
Bioactive soil layer, 10 cm
Canyon Sand
Optional: mix in for a firmer, sandier texture
Eastern Oak Leaves 10/Pack
Leaf litter – food and cover for the clean-up crew
Terrarium Moss 7L Bag
Humid hide moss
Cork Bark Half Rounds
A hide at each end – plus one humid hide filled with damp moss
Mopani Wood
Climbing and a raised basking spot
Carnelian Stone
Holds heat under the lamp – place directly on the enclosure floor
Western diamondback rattlesnake FAQ
Is the western diamondback rattlesnake good for beginners?
No – the western diamondback rattlesnake is a specialist animal for expert keepers only. Never free-handle; use hooks, tongs, tubes and a lockable enclosure.
What size enclosure does a western diamondback rattlesnake need?
At least 150 × 60 × 60 cm (about 59 × 24 × 24 inches, roughly 143 US gallons) for one adult. Best kept alone.
How much does a western diamondback rattlesnake cost in Canada?
Typically $150–400 CAD to buy, about $1020–1830 CAD for a complete bioactive enclosure, and $300–600 CAD a year to keep.
What temperature and humidity does a western diamondback rattlesnake need?
Temperature: Warm 30–32°C, cool 22–24°C. Humidity: 30–50%.
What does a western diamondback rattlesnake eat?
Carnivore – frozen/thawed mice and rats. Feed one appropriately sized thawed rodent every 10–14 days.
Similar species
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.