Dekay's brown snake (Storeria dekayi)
Snakes · Difficulty: Intermediate
Key facts and care guidance for Dekay's brown snake (Storeria dekayi) (origin: North America). Adult size around 25–40 cm. Life expectancy 5–8 years. The values below are carefully researched guidance.
Short answers
Dekay's brown snake: How big does the enclosure need to be?
From 60×40×40 cm.
Dekay's brown snake: What temperature does it need?
Daytime 22–26 °C, at night 16–19 °C.
Dekay's brown snake: Does it need UVB lighting?
UVB: Not essential.
Dekay's brown snake: How long do they live?
Life expectancy: 5–8 years.
Dekay's brown snake: Is it suitable for beginners?
Rather not – it is considered an intermediate species (difficulty: Intermediate).
Climate
- Daytime temperature
- 22–26 °C
- Night temperature
- 16–19 °C
- Humidity
- 60–75 %
- UVB
- Not essential
Enclosure
- Minimum size
- from 60×40×40 cm
- Substrate
- Humus with a thick layer of leaf litter, flat hides
Feeding
- Food
- Slugs, earthworms
- Feeding interval
- 2–3×/week
Key facts
- Adult size
- 25–40 cm
- Life expectancy
- 5–8 years
- Origin
- North America
- Protection status
- —
- Brumation
- Yes, 8–10 weeks at 10–14 °C
- Cohabitation
- Singly or as a pair. Both work: keeping them singly is always safe, and a pair works as long as both animals are roughly the same size and are fed separately. As soon as one animal refuses food, loses condition or shows injuries, separate them — that is not an exception but the normal case you plan for.
Notes
A tiny, entirely harmless colubrid that does not eat rodents — snails and worms have to be permanently available. Anyone who can manage that is keeping an undemanding small species.
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Related species
- Ahumada's alpine garter snake (Thamnophis ahumadai) – Expert
- Northern water snake (Nerodia sipedon) – Intermediate
- Barred grass snake (Natrix helvetica) – Intermediate
- Bogert's garter snake (Thamnophis bogerti) – Expert
- Butler's garter snake (Thamnophis butleri) – Intermediate
- Cope's mountain meadow snake (Thamnophis copei) – Expert
- Fox's mountain meadow snake (Thamnophis foxi) – Expert
- Banded water snake (Nerodia fasciata) – Intermediate
What you need to start
To keep Dekay's brown snake (Storeria dekayi) you typically need: a suitable enclosure (from 60×40×40 cm), substrate (Humus with a thick layer of leaf litter, flat hides), 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/Storeria_dekayi, https://reptile-database.reptarium.cz/species?genus=Storeria&species=dekayi
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).