
Source: Wikimedia Commons
Grammostola iheringi
Regarded as the largest species in Grammostola. It has velvety black legs with a bluish cast, a black carapace edged in orange and a dark red abdomen. Unusually for the genus it is active and fast.
Grammostola iheringi, described by Keyserling in 1891, is a large terrestrial tarantula regarded as the biggest in its genus. Its velvety black legs carry a faint bluish cast, the black carapace is edged in orange and the abdomen is dark red. It is leggier than its congeners and looks different from the outset. Its temperament is also an outlier: keepers used to the placid G. rosea or G. pulchripes are often caught off guard. It is fast and skittish and will sometimes adopt a defensive posture. Its appetite is voracious, and it stalks and charges prey rather than ambushing it. Growth is moderate by the standards of the genus, and females live over twenty years. Care is straightforward, requiring dry substrate, a large water dish and a hide. A toxin named Gitx1 has been isolated from its venom, but the species is not considered dangerous to people.
Source: Wikipedia (CC BY-SA 4.0)
The Entre Rios Tarantula lives Females over 20 years.
The Entre Rios Tarantula grows to 18-23cm leg span.
The ideal temperature for the Entre Rios Tarantula is 22〜26℃. Ideal humidity is 70〜80%.
Origin
Brazil and Uruguay
Lifespan
Females over 20 years
Sources: The Spider Shop: Grammostola iheringi / Tom's Big Spiders: Grammostola iheringi (Entre Rios) / Wikipedia: Grammostola iheringi / Tarantupedia: Grammostola iheringi / GBIF
Edited & verified by: BreederDirect editorial team
The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
Accepted name: Grammostola iheringi (Keyserling, 1891)
Synonyms: Eurypelma iheringii
Authority databases: GBIF
Nomenclature follows global taxonomic authority databases.
Sources: CITES Appendices (species not listed)
Regulations may change. Always verify the latest information with the relevant authorities.
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Size
18-23cm leg span
Temperature
22〜26℃
Humidity
70〜80%
Live insects such as crickets and roaches
Keep around 22-26 C. Keep the substrate on the dry side and supply humidity with a large water dish. Warmer temperatures speed metabolism and growth.
It grows large, so use a roomy horizontal enclosure with around 7-8 cm of substrate. Build a hide from PVC pipe or cork bark and keep ventilation good.
The appetite is voracious, taking several large crickets a week. It chases prey rather than ambushing it, so feed live insects.
Unlike its congeners it is fast and skittish and can turn defensive. It has urticating hairs. The toxin Gitx1 has been isolated from its venom, but the species is not considered dangerous to people.
It can burst out of its burrow without warning, so use tongs for feeding and cleaning and never handle it bare-handed. Females live over twenty years, so plan for the long term.
Intermediate. This is an intermediate-level species. Some prior experience and knowledge of environmental management are recommended.
The ideal temperature for Entre Rios Tarantula is 22〜26℃. Recommended humidity is 70〜80%. Avoid sudden temperature changes and maintain a stable environment.
The average lifespan of Entre Rios Tarantula is Females over 20 years. With proper care and nutrition, they can live a long and healthy life.
Entre Rios Tarantula typically reaches 18-23cm leg span as an adult. Size may vary depending on care conditions and individual genetics.
Entre Rios Tarantula feeds on: Live insects such as crickets and roaches. Aim for a balanced diet with appropriate feeding frequency.
The price of Entre Rios Tarantula varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.
Last updated: September 16, 2026