Japanese rat snake (Elaphe climacophora)
Photo: U-ichiro Murakami from Kyoto, JPN / CC BY-SA 2.0 · via Wikimedia Commons

Reptile · Rat snake

Japanese rat snake care guide

Elaphe climacophora

Intermediate

The japanese rat snake is a intermediate-level rat snake from Japan. Adults reach 120–180 cm and live 15–20 years in captivity. The white Iwakuni form is famous; benefits from winter cooling. Solitary.

  • Enclosure 150 × 60 × 90 cm
  • Temp Warm 27–29°C, cool 20–22°C
  • Humidity 40–60%

How much does a japanese rat snake cost in Canada?

Animal$300–800Typical captive-bred price
Bioactive enclosure$1250–2280Enclosure $810–1540 · equipment $190–420 · bioactive supplies ≈ $270
Yearly upkeep$200–350Food, supplements, bulbs, power, vet fund
First year total$1750–3430All prices CAD, estimates

Japanese rat snake quick facts

Skill level
Intermediate
Adult size
120–180 cm
Lifespan
15–20 years
Activity
Diurnal
Native range
Japan
Minimum enclosure
150 × 60 × 90 cm (59 × 24 × 35 in, ≈ 214 US gal)
Housing
Best kept alone.
Temperature
Warm 27–29°C, cool 20–22°C
Humidity
40–60%
UVB
Recommended
Diet
Carnivore – frozen/thawed mice and rats
Bioactive style
Temperate forest

Japanese rat snake enclosure & bioactive setup

Give one adult at least 150 × 60 × 90 cm (59 × 24 × 35 inches). Best kept alone. This species suits a temperate forest bioactive build.

  1. Leaf litter2 cm
  2. Jurassic ABG Terrarium Mix10 cm

Keep a moisture gradient: drier on top and at the warm end, slightly moist underneath and at the cool end.

Temperature: Warm 27–29°C, cool 20–22°C. Humidity: 40–60%. UVB: Recommended.

What does a japanese rat snake eat?

Carnivore – frozen/thawed mice and rats. Feed one appropriately sized thawed rodent every 10–14 days.

Handling, temperament & health

Usually calm once established.

Health watch: Watch for respiratory infections.

Cleaning & maintenance schedule

Daily

  • Check temperatures and refresh water.

Weekly

  • Lightly moisten the cool end and lower soil.
  • Spot-clean waste.

Monthly

  • Top up leaf litter; check hides and branches are stable.

Yearly

  • Partially refresh soil in high-traffic areas.
  • Replace UVB bulbs (if used).

Recommended for a japanese rat snake bioactive

Quantities are for one minimum-size enclosure (150 × 60 × 90 cm).

Japanese rat snake FAQ

Is the japanese rat snake good for beginners?

The japanese rat snake is best for keepers with some experience (intermediate). Usually calm once established.

What size enclosure does a japanese rat snake need?

At least 150 × 60 × 90 cm (about 59 × 24 × 35 inches, roughly 214 US gallons) for one adult. Best kept alone.

How much does a japanese rat snake cost in Canada?

Typically $300–800 CAD to buy, about $1250–2280 CAD for a complete bioactive enclosure, and $200–350 CAD a year to keep.

What temperature and humidity does a japanese rat snake need?

Temperature: Warm 27–29°C, cool 20–22°C. Humidity: 40–60%.

What does a japanese rat snake eat?

Carnivore – frozen/thawed mice and rats. Feed one appropriately sized thawed rodent every 10–14 days.

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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.