Reptoria

Eastern ribbon snake (Thamnophis sauritus)

Snakes · Difficulty: Intermediate

Key facts and care guidance for Eastern ribbon snake (Thamnophis sauritus) (origin: Eastern North America (USA, south-eastern Canada)). Adult size around 45–90 cm (very slender, up to ~1 m). Life expectancy ~6–10 years. The values below are carefully researched guidance.

Short answers

Eastern ribbon snake: How big does the enclosure need to be?

From 125×75×50 cm (minimum size according to the 1997 expert report, garter snakes, with climbing branches and a large bathing area).

Eastern ribbon snake: What temperature does it need?

Daytime 24–28 °C, basking spot 30–35 °C (local hot spot), at night 18–20 °C.

Eastern ribbon snake: Does it need UVB lighting?

UVB: UVB not essential but recommended (diurnal, basks).

Eastern ribbon snake: How long do they live?

Life expectancy: ~6–10 years.

Eastern ribbon snake: Is it suitable for beginners?

Rather not – it is considered an intermediate species (difficulty: Intermediate).

Climate

Daytime temperature
24–28 °C
Night temperature
18–20 °C
Basking spot
30–35 °C (local hot spot)
Humidity
50–70 %
UVB
UVB not essential but recommended (diurnal, basks)

Enclosure

Minimum size
from 125×75×50 cm (minimum size according to the 1997 expert report, garter snakes, with climbing branches and a large bathing area)
Substrate
Absorbent soil or coco humus, one area damp; a large shallow bathing spot

Feeding

Food
Fish (smelt – no ornamental fish!), earthworms, amphibians; adding vitamin B1 and a multivitamin is essential
Feeding interval
adults 1–2×/week, juveniles every 2–3 days

Key facts

Adult size
45–90 cm (very slender, up to ~1 m)
Life expectancy
~6–10 years
Origin
Eastern North America (USA, south-eastern Canada)
Protection status
Not listed under CITES; not protected (not native)
Brumation
A winter rest or cooling of 6–8 weeks at ~10–15 °C (for the annual rhythm and breeding)
Cohabitation
Group housing is possible since this species is fairly tolerant of its own kind – but feed separately (food competition/injury risk), house only similarly sized animals together, and avoid a surplus of males.

Notes

Slimmer and more nervous than T. sirtalis, and fond of climbing. A pure fish diet without vitamin B1 → thiamine deficiency (neurological failure). Live-bearing.

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Related species

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What you need to start

To keep Eastern ribbon snake (Thamnophis sauritus) you typically need: a suitable enclosure (from 125×75×50 cm (minimum size according to the 1997 expert report, garter snakes, with climbing branches and a large bathing area)), substrate (Absorbent soil or coco humus, one area damp; a large shallow bathing spot), 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: 25 September 2026 · Editor: Reptoria editorial team · Sources include: https://en.wikipedia.org/wiki/Thamnophis_sauritus, https://reptile-database.reptarium.cz/species?genus=Thamnophis&species=sauritus

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).