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Chaco golden knee tarantula (Grammostola pulchripes)

Chaco golden knee tarantula (Grammostola pulchripes), typical appearance of the species

Invertebrates · Difficulty: Beginner

Key facts and care guidance for Chaco golden knee tarantula (Grammostola pulchripes) (origin: Argentina and Paraguay (the Gran Chaco)). Adult size around 18–20 cm leg span (body ~7–8 cm). Life expectancy females 20–25+ years, males 4–6 years. The values below are carefully researched guidance.

Short answers

Chaco golden knee tarantula: How big does the enclosure need to be?

50×40×40 cm (floor area over height, substrate they can dig in).

Chaco golden knee tarantula: What temperature does it need?

Daytime 22–26 °C, basking spot — (no basking spot; even room warmth), at night 18–20 °C.

Chaco golden knee tarantula: Does it need UVB lighting?

UVB: No UVB needed (crepuscular/nocturnal).

Chaco golden knee tarantula: How long do they live?

Life expectancy: females 20–25+ years, males 4–6 years.

Chaco golden knee tarantula: Is it suitable for beginners?

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

Climate

Daytime temperature
22–26 °C
Night temperature
18–20 °C
Basking spot
— (no basking spot; even room warmth)
Humidity
60–70 %
UVB
No UVB needed (crepuscular/nocturnal)

Enclosure

Minimum size
50×40×40 cm (floor area over height, substrate they can dig in)
Substrate
Coco humus, peat or soil, 10–15 cm deep for digging; mostly dry, a water bowl

Feeding

Food
Insects: house crickets, crickets, roaches. No vertebrates are needed
Feeding interval
adults 1×/week or every 1–2 weeks, juveniles 2×/week

Key facts

Adult size
18–20 cm leg span (body ~7–8 cm)
Life expectancy
females 20–25+ years, males 4–6 years
Origin
Argentina and Paraguay (the Gran Chaco)
Protection status
Not protected (no CITES, no German Federal Nature Conservation Act listing); no registration duty
Brumation
Not essential; a slight winter drop (18–20 °C, drier) is close to nature and can encourage reproduction
Cohabitation
Keeping them singly is essential. Territorial and cannibalistic; put them together only briefly for supervised breeding

Notes

A very calm, robust, long-lived classic beginner's species from the dry Chaco – better kept a little drier, and avoid waterlogging. It has irritating urticating hairs but is rarely defensive. It grows slowly.

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Related species

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What you need to start

To keep Chaco golden knee tarantula (Grammostola pulchripes) you typically need: a suitable enclosure (50×40×40 cm (floor area over height, substrate they can dig in)), substrate (Coco humus, peat or soil, 10–15 cm deep for digging; mostly dry, a water bowl), 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: Wikipedia EN, einrichtungsbeispiele.de, eur-lex.europa.eu, insektenliebe.com, interaquaristik.de

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).