Entre Rios tarantula (Grammostola iheringi)
Invertebrates · Difficulty: Intermediate
Key facts and care guidance for Entre Rios tarantula (Grammostola iheringi) (origin: Argentina, Uruguay – grassland). Adult size around body 8–9 cm, leg span 18–22 cm. Life expectancy females 20–25 years. The values below are carefully researched guidance.
Short answers
Entre Rios tarantula: How big does the enclosure need to be?
40×30×30 cm.
Entre Rios tarantula: What temperature does it need?
Daytime 22–28 °C, basking spot No basking spot, at night 19–22 °C.
Entre Rios tarantula: Does it need UVB lighting?
UVB: Not required.
Entre Rios tarantula: How long do they live?
Life expectancy: females 20–25 years.
Entre Rios tarantula: Is it suitable for beginners?
Rather not – it is considered an intermediate species (difficulty: Intermediate).
Climate
- Daytime temperature
- 22–28 °C
- Night temperature
- 19–22 °C
- Basking spot
- No basking spot
- Humidity
- 60–70 %
- UVB
- Not required
Enclosure
- Minimum size
- 40×30×30 cm
- Substrate
- Coco humus 10–15 cm, a cork hide, a water dish
Feeding
- Food
- House crickets, roaches
- Feeding interval
- adults every 10–14 days
Key facts
- Adult size
- body 8–9 cm, leg span 18–22 cm
- Life expectancy
- females 20–25 years
- Origin
- Argentina, Uruguay – grassland
- Protection status
- Not listed under CITES
- Brumation
- A cooler spell of 6–8 weeks
- Cohabitation
- Keep them singly. Tarantulas are solitary and eat their own kind — two animals in one enclosure regularly end up as one, even if they are the same size. For mating, only introduce the male under supervision and separate them again immediately.
Notes
The largest Grammostola species, velvety black with a reddish sheen. A calm character, but very strong – it uses urticating hairs freely. It grows slowly.
Do you keep this species?
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Related species
- Brazilian red rump tarantula (Grammostola actaeon) – Beginner
- Chaco golden knee tarantula (Grammostola pulchripes) – Beginner
- Chilean rose tarantula (Grammostola porteri) – Beginner
- Chilean rose tarantula (Grammostola rosea) – Beginner
- Brazilian black tarantula (Grammostola pulchra) – Beginner
- Amazon birdeater (Iridopelma hirsutum) – Intermediate
- Arizona blonde tarantula (Aphonopelma chalcodes) – Beginner
- Pinktoe tarantula (Avicularia avicularia) – Beginner
What you need to start
To keep Entre Rios tarantula (Grammostola iheringi) you typically need: a suitable enclosure (40×30×30 cm), substrate (Coco humus 10–15 cm, a cork hide, a water dish), a heat source with a thermostat, 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: 30 October 2026 · Editor: Reptoria editorial team · Sources include: https://en.wikipedia.org/wiki/Grammostola_iheringi, https://tomsbigspiders.com/2015/06/19/grammostola-iheringi-entre-rios/
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).