Reptoria

Rio Santiago poison frog (Excidobates captivus)

Rio Santiago poison frog (Excidobates captivus) in a terrarium

Amphibians · Difficulty: Intermediate

Key facts and care guidance for Rio Santiago poison frog (Excidobates captivus) (origin: Northern Peru). Adult size around 1,7–2,1 cm. Life expectancy 8–15 years. The values below are carefully researched guidance.

Short answers

Rio Santiago poison frog: How big does the enclosure need to be?

40×40×50 cm for a pair, planted.

Rio Santiago poison frog: What temperature does it need?

Daytime 22–26 °C, basking spot No basking spot — direct heat is harmful, at night 18–21 °C.

Rio Santiago poison frog: Does it need UVB lighting?

UVB: Weak UVB recommended (UVB 2.0), no strong lamp.

Rio Santiago poison frog: How long do they live?

Life expectancy: 8–15 years.

Rio Santiago poison frog: Is it suitable for beginners?

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

Climate

Daytime temperature
22–26 °C
Night temperature
18–21 °C
Basking spot
No basking spot — direct heat is harmful
Humidity
80–95 %, mist daily
UVB
Weak UVB recommended (UVB 2.0), no strong lamp

Enclosure

Minimum size
40×40×50 cm for a pair, planted
Substrate
Forest-floor substrate with a drainage layer, moss, leaf litter, bromeliads and film canisters as spawning sites

Feeding

Food
Springtails, fruit flies and aphids, dusted regularly with calcium and vitamins
Feeding interval
adults daily to every other day

Key facts

Adult size
1,7–2,1 cm
Life expectancy
8–15 years
Origin
Northern Peru
Protection status
CITES II, IUCN "Vulnerable" — proof of origin required
Brumation
No winter rest, at most a short dry spell to trigger breeding
Cohabitation
Keeping a pair is least stressful. Given the incomplete conservation data (IUCN: Data Deficient) and low availability in the trade, pay particular attention to documented captive-bred origin.

Notes

Long thought lost, and rediscovered in 2008.

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Related species

All species in the care wiki →

What you need to start

To keep Rio Santiago poison frog (Excidobates captivus) you typically need: a suitable enclosure (40×40×50 cm for a pair, planted), substrate (Forest-floor substrate with a drainage layer, moss, leaf litter, bromeliads and film canisters as spawning sites), 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://de.wikipedia.org/wiki/Excidobates_captivus, https://reptilesmagazine.com/beginners-guide-to-poison-frog-care/, https://www.thebiodude.com/blogs/frog-caresheets/keeping-poison-dart-frogs-as-pets-and-bioactive-terrarium-maintenance

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).