Bullsnake
Bullsnake
(Pituophis catenifer sayi)
Bullsnakes are a large, impressive subspecies of gopher snake native to the central and western United States. Known for their powerful build, earthy coloration, and characteristic loud hissing, these snakes are often mistaken for rattlesnakes in the wild. Despite their bluff displays, bull snakes are non-venomous and typically become calm, curious pets with regular handling.
Lifespan:
15–25 years in captivity
Sexing:
Males are generally smaller and thinner, while females are larger and heavier-bodied. Sexing is most accurately done by probing or experienced handling.
Enclosure:
Minimum for adults is a 4x2x2 enclosure.
Escape-proof lid is essential—milk snakes are excellent at finding gaps
Substrate:
Aspen, coconut husk, or a soil/sand mix for naturalistic setups
3–4 inches deep to allow burrowing
Spot clean weekly; full substrate change every 4–6 weeks
Lighting & Temperature:
Basking Spot: 88-92°F
Ambient Temperature: 78–82°F
Cool Side: 72–78°F
No special UVB required, but a low-level UVB bulb (5.0) may provide additional benefits.
Use a thermostat-regulated heat mat or ceramic heat emitter if needed for nighttime temps.
Humidity:
Maintain 30-50% humidity.
Increase slightly during shedding with light misting or a humid hide.
Food:
Feed appropriately sized frozen-thawed rodents (mice or rats depending on size).
Juveniles: every 5–7 days|
Adults: every 7–14 days
Do not handle for at least 48 hours after feeding to prevent regurgitation.
Water:
Provide clean water in a sturdy dish large enough for soaking.
Change water daily or when soiled.
Supplementation:
None typically needed if fed a proper diet of whole prey.
Calcium or multivitamin supplementation is not necessary for kingsnakes.
Bullsnakes are bold, inquisitive, and among the most interactive large colubrids. With consistent handling and proper care, they make stunning and rewarding display animals or engaging pets for experienced keeper