
Source: Wikimedia Commons
Euprepiophis mandarinus
A medium-sized colubrid, grey with diamond-shaped black and yellow markings along the back. Small for a rat snake, it does not exceed 1.4 m even as an adult. It is secretive and often shelters in rodent burrows.
The mandarin rat snake (Euprepiophis mandarinus) is a colubrid ranging from north-eastern India through southern China to Taiwan, a close relative of the Japanese forest rat snake in the same genus. Diamond-shaped black and yellow markings along a grey body make it one of the most sought-after rat snakes. It is small for the group, not exceeding 1.4 m as an adult. Secretive by nature, it often shelters in rodent burrows, feeds mainly on small rodents and is largely crepuscular. Like its Japanese congener it prefers cool conditions and tolerates cold far better than heat. Cantor described it in 1842 from a specimen taken on Zhoushan Island in Zhejiang, China.
Source: Wikipedia (CC BY-SA 4.0)
The Mandarin Rat Snake lives Typically 10-15 years.
Imported wild-caught animals were once in poor condition and the species had a reputation for being difficult, but captive experience has accumulated and lifespans of 10-15 years are now typical.
The Mandarin Rat Snake grows to Up to 1.4m total length.
The ideal temperature for the Mandarin Rat Snake is 16〜27℃.
Origin
North-eastern India (Arunachal Pradesh, Mizoram and Nagaland), northern Myanmar, Laos, Vietnam, Taiwan and China from the south north to Shaanxi and west to south-eastern Tibet, on montane forest floors
Sources: Reptiles Magazine: Mandarin Rat Snake Care Sheet / Reptile Database: Euprepiophis mandarinus / Wikipedia (English)
Edited & verified by: BreederDirect editorial team
The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
Accepted name: Euprepiophis mandarinus (Cantor, 1842)
Synonyms: Coluber mandarinus Cantor, 1842, Elaphe mandarina (Cantor, 1842), Elaphe takasago Takahashi, 1930
Authority databases: GBIF · Reptile Database
Nomenclature follows global taxonomic authority databases.
Not listed in any CITES appendix (not recorded in Species+). IUCN Red List assessment: Least Concern (LC). This species is not included in either the specified animals listed in the appended table of the Ordinance for Enforcement of the Animal Welfare and Management Law, nor the specified invasive alien species under the Ordinance for Enforcement of the Invasive Alien Species Act.
Sources: CITES Species+ (species not listed) / IUCN Red List
Regulations may change. Always verify the latest information with the relevant authorities.
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Lifespan
Typically 10-15 years
Size
Up to 1.4m total length
Temperature
16〜27℃
Humidity
40〜70%
Carnivorous, mainly small rodents
It likes cooler conditions than most colubrids. A gradient of 16-27 C is workable, but steady temperatures around 24 C are considered ideal. It tolerates cold far better than heat, so keep the enclosure from ever exceeding 29 C; managing summer heat is the key to keeping it.
A 40-gallon equivalent, roughly 90 x 45 x 45 cm, is large enough for an adult. It is secretive and uses rodent burrows in the wild, so place snug-fitting hides on both the warm and cool sides. Substrate it can burrow into helps it settle. Site the enclosure somewhere cool where overheating can be avoided.
It feeds mainly on small rodents. In captivity offer frozen-thawed mice sized to the snake, and because it is a small rat snake avoid increasing prey size too far. Being crepuscular, it responds better when fed around dawn and dusk.
Secretive, spending much of its time in cover. It is generally placid but often out of sight, so if you want to see it, combine burrowable substrate with a hide you can look into. Snakes can prey on one another, so keep it singly.
Not listed on any CITES appendix. The IUCN assesses it as Least Concern. It appears neither on the schedule of designated dangerous animals under the Order for Enforcement of the Act on Welfare and Management of Animals nor on Japan's list of invasive alien species. The old name Elaphe mandarina is still in circulation, so confirm that it refers to the same animal when buying. It is heat-sensitive, so do not keep it where summer room temperatures cannot be controlled.
Intermediate. This is an intermediate-level species. Some prior experience and knowledge of environmental management are recommended.
The ideal temperature for Mandarin Rat Snake is 16〜27℃. Avoid sudden temperature changes and maintain a stable environment.
The average lifespan of Mandarin Rat Snake is Typically 10-15 years. With proper care and nutrition, they can live a long and healthy life.
Mandarin Rat Snake typically reaches Up to 1.4m total length as an adult. Size may vary depending on care conditions and individual genetics.
Mandarin Rat Snake feeds on: Carnivorous, mainly small rodents. Aim for a balanced diet with appropriate feeding frequency.
The price of Mandarin Rat Snake varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.
Last updated: September 16, 2026