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Honduran milk snake (Lampropeltis triangulum hondurensis)

Honduran milk snake (Lampropeltis triangulum hondurensis), typical appearance of the species

Snakes · Difficulty: Beginner

Key facts and care guidance for Honduran milk snake (Lampropeltis triangulum hondurensis) (origin: Honduras, Nicaragua, north-eastern Costa Rica (Central America), dry forest). Adult size around 120–160 cm (rarely up to ~180 cm). Life expectancy 15–20+ years. The values below are carefully researched guidance.

Short answers

Honduran milk snake: How big does the enclosure need to be?

From 180×90×90 cm (minimum size per the 1997 expert report, kingsnakes).

Honduran milk snake: What temperature does it need?

Daytime 24–28 °C, basking spot 30–33 °C, at night 20–22 °C.

Honduran milk snake: Does it need UVB lighting?

UVB: UVB not essential; weak UVB optional.

Honduran milk snake: How long do they live?

Life expectancy: 15–20+ years.

Honduran milk snake: Is it suitable for beginners?

Yes – it is considered suitable for beginners (difficulty: Beginner).

Climate

Daytime temperature
24–28 °C
Night temperature
20–22 °C
Basking spot
30–33 °C
Humidity
50–70 %
UVB
UVB not essential; weak UVB optional

Enclosure

Minimum size
from 180×90×90 cm (minimum size per the 1997 expert report, kingsnakes)
Substrate
Forest floor or aspen shavings, hides, cork tubes

Feeding

Food
Rodents (mice); in the wild also other snakes and lizards
Feeding interval
adults every 7–10 days, juveniles every 5–7 days

Key facts

Adult size
120–160 cm (rarely up to ~180 cm)
Life expectancy
15–20+ years
Origin
Honduras, Nicaragua, north-eastern Costa Rica (Central America), dry forest
Protection status
Not listed under CITES; no special EU requirements
Brumation
No strict winter rest (tropical); a slightly cooler, drier spell to stimulate breeding is optional
Cohabitation
Keep them singly (milk and kingsnakes are ophiophagous and eat snakes – a risk of cannibalism!). Only for supervised breeding. NOTE: some dealer descriptions wrongly claim group keeping – it is not recommended

Notes

A colourful, robust milk snake; one of the larger triangulum forms. A common keeping mistake: housing or feeding them together → cannibalism. Feed them singly. The humidity figures vary by source between 50 and 70 % (a safe middle range was chosen).

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Related species

All species in the care wiki →

What you need to start

To keep Honduran milk snake (Lampropeltis triangulum hondurensis) you typically need: a suitable enclosure (from 180×90×90 cm (minimum size per the 1997 expert report, kingsnakes)), substrate (Forest floor or aspen shavings, hides, cork tubes), a heat source with a thermostat, UVB lighting, thermometer and hygrometer, a water dish and hides. You will find equipment in the Reptoria marketplace.

The complete, interactive care database is in the Reptoria app.

Last updated: 9 October 2026 · Editor: Reptoria editorial team · Sources include: https://en.wikipedia.org/wiki/Honduran_milk_snake, https://reptile-database.reptarium.cz/species?genus=Lampropeltis&species=triangulum

All values are non-binding guidance and do not replace expert advice. Research thoroughly from several sources before acquiring and keeping an animal, and observe the applicable law (species and animal protection in particular).