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Grammostola pulchripes
A large South American terrestrial species with golden knee stripes on a dark body. Docile, showy and a relatively quick grower, making it a popular larger beginner species.
The Chaco Golden Knee (Grammostola pulchripes) is a large terrestrial tarantula from the Gran Chaco of Paraguay and Argentina, showing golden knee stripes on a dark body. Reaching 18-22 cm in legspan, it is kept at 23-28 C and 60-70% humidity. Docile, showy, and a relatively quick grower, it is a popular choice among larger beginner species, with females living 20-25 years. As a New World tarantula it can flick urticating hairs when disturbed, so handling should be kept light.
Origin
Gran Chaco of Paraguay and Argentina
Lifespan
Female 20-25 years / Male 5-6 years
Size
Leg span 18-22 cm
Temperature
23〜28℃
Humidity
60〜70%
Live insects such as crickets and roaches; offer larger prey to adults about weekly.
Roomy enclosure with deep substrate, a hide and water dish.
23-28°C, 60-70% humidity; slightly dry is fine.
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The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
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Hearty eater and fast grower; feed about weekly.
Calm but has urticating hairs; venom is mild, bite like a bee sting.
Beginner. This is a beginner-friendly species. No special equipment or experience is required, and it can be kept successfully with basic care setup.
The ideal temperature for Chaco Golden Knee is 23〜28℃. Recommended humidity is 60〜70%. Avoid sudden temperature changes and maintain a stable environment.
The average lifespan of Chaco Golden Knee is Female 20-25 years / Male 5-6 years. With proper care and nutrition, they can live a long and healthy life.
Chaco Golden Knee typically reaches Leg span 18-22 cm as an adult. Size may vary depending on care conditions and individual genetics.
Chaco Golden Knee feeds on: Live insects such as crickets and roaches; offer larger prey to adults about weekly.. Aim for a balanced diet with appropriate feeding frequency.
The price of Chaco Golden Knee varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.
Last updated: June 30, 2026