Corn Snake care guide
Pantherophis guttatus
The classic first snake: hardy, reliable feeders, tolerant of a broad range of conditions, and available in hundreds of morphs.
Quick reference
Temperature
Warm side 85–88°F, cool side 72–78°F
Humidity
40–55%
Lighting
Optional low UVB; a consistent day/night cycle is enough
Enclosure size
Adults: 4x2x2 ft with secure locking lid — corn snakes are escape artists
Lifespan
15–20 years
Adult size
3.5–5 ft
Substrate
Aspen shavings, coconut husk or bioactive soil; 3+ in for burrowing
Water
Fresh bowl large enough to soak in
Setup checklist
Everything that should be running and stable before the animal comes home. Print this and tick it off.
- Adult-sized enclosure: Adults: 4x2x2 ft with secure locking lid — corn snakes are escape artists
- Heat source on a thermostat — never plugged straight into the wall (Warm side 85–88°F, cool side 72–78°F)
- Digital probe thermometer for the warm side and a second for the cool side
- Digital hygrometer
- Lighting: Optional low UVB; a consistent day/night cycle is enough
- Substrate: Aspen shavings, coconut husk or bioactive soil; 3+ in for burrowing
- At least two hides — one warm, one cool
- Water bowl, heavy enough not to tip
- Clutter: cork bark, branches, plants and leaf litter for cover
- Reptile-safe disinfectant and paper towel for spot cleaning
Supplies & shopping list
Enclosure
- •Adults: 4x2x2 ft with secure locking lid — corn snakes are escape artists
- •Secure lock or clips
- •Background or opaque sides for security
Heating
- •Warm side 85–88°F, cool side 72–78°F
- •Thermostat (dimming or pulse-proportional)
- •Digital probe thermometers
- •Infrared temp gun for surface readings
Lighting
- •Optional low UVB; a consistent day/night cycle is enough
- •Timer for a consistent 12/12 photoperiod
Substrate
- •Aspen shavings, coconut husk or bioactive soil; 3+ in for burrowing
- •Spare bag for full changes
Decor
- •Two hides
- •Cork bark, branches or climbing structure
- •Leaf litter and plants for cover
- •Water bowl
Food & tools
- •Frozen/thawed mice, sized to the snake's girth
- •Hatchlings every 5–7 days, adults every 7–14 days
- •Feeding tongs
- •Hygrometer
- •Reptile-safe disinfectant
Diet & feeding
What they eat
Frozen/thawed mice, sized to the snake's girth
How often
Hatchlings every 5–7 days, adults every 7–14 days
Water
Fresh bowl large enough to soak in
Handling
Tolerates frequent handling well; excellent for keepers new to snakes
Beginner mistakes to avoid
- •Buying a hatchling-sized tub and never upgrading to a proper adult enclosure
- •Running a heat mat or bulb without a thermostat, which is the most common cause of burns
- •Handling within 48 hours of a meal and triggering a regurgitation
- •Judging humidity by eye instead of with a digital hygrometer
Common problems to watch for
- •Escapes through any gap wider than the head
- •Regurgitation from handling too soon after feeding
- •Obesity in adults fed on a hatchling schedule
When to see a vet
Any of these warrant an appointment with an experienced exotics veterinarian, not a wait-and-see.
- •Open-mouth breathing, wheezing, whistling or bubbles at the nostrils — respiratory infection
- •Discoloured, blistered or ulcerated belly scales — scale rot or a thermal burn
- •Refusing food for months alongside visible weight loss or a sunken spine
- •Regurgitating repeatedly, or passing runny, foul-smelling stool
- •Stargazing, corkscrewing or loss of righting reflex — neurological, urgent
Myths vs facts
Snakes grow to the size of their enclosure.
Fact: They grow to their genetic size regardless. A cramped enclosure only causes stress and poor muscle tone.
Live prey is more natural and therefore better.
Fact: Frozen/thawed is safer and just as complete. Live rodents routinely injure or kill captive snakes.
Heat rocks are a good heat source.
Fact: They create hot spots that cause serious burns. Use a thermostatted mat or overhead heater instead.
Keeper tips
- •Check the lid clips every single time
- •Offer climbing branches — corns use vertical space more than people expect
These guides describe widely accepted husbandry practice and are not veterinary advice. Consult an experienced exotics veterinarian for health concerns.
