Avicularia Geroldi - The Treetop Jewel tarantula
Avicularia Geroldi - The Treetop Jewel tarantula
Avicularia Geroldi - The Treetop Jewel tarantula

Avicularia Geroldi - The Treetop Jewel tarantula

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Avicularia geroldi – The Treetop Jewel Tarantula

Known as the Treetop Jewel, Avicularia geroldi is a calm and graceful arboreal beauty native to Brazil. Its metallic blue-green shimmer and velvety body make it one of the most elegant species in the Avicularia genus. This species thrives in well-ventilated enclosures with vertical climbing space and is a gentle, visually stunning tarantula ideal for keepers who appreciate vibrant color and easygoing behavior.

📣 Special Notices
Visit my YouTube channel to see enclosure builds, feeding clips, and detailed care setups for Avicularia species, including A. geroldi. You’ll find how I set up my arboreals for perfect humidity and airflow.
🌿 Care Details
🌡️ Temperature 75–85°F (24–29°C)
💧 Humidity 75–80%, with strong cross-ventilation
🏠 Housing
Babies Vial up to 5" tall × 2" diameter; excellent ventilation; light misting once weekly.
Juveniles 7–8" tall enclosure with cork bark tube and light web anchor points.
Adults 12–16" tall arboreal enclosure; vertical bark or branches; moderate web space.
🍽️ General Diet
Crickets and roaches (Dubia, Red Runner, Lobster). Babies can take pre-killed or crushed-head feeders. Remove any leftovers after feeding. Adults eat every 10–14 days. We avoid pinhead crickets—they’re too low in protein for proper growth.
📘 In-depth Facts
🕷️ Latin name Avicularia geroldi
📛 Common name(s) Treetop Jewel Tarantula
🌡️ Temperature 75–85°F (24–29°C)
💧 Humidity 75–80%
📍 Locale Southern Brazil (Atlantic coastal forests)
🏷️ Category Arboreal; light webber
📏 Size ~5" female; ~4.5" male (DLS)
🪶 Urticating hairs They do not kick urticating hairs.
⏳ Growth rate Moderate
🧭 Life span Females 10–12 years; males ~3–4 years
🍽️ Feeding Crickets, roaches; occasional mealworm or small locust
🎯 Recommended levels Beginner to intermediate
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⚠️ Safety Disclaimer
Safety Disclaimer: Experiencing a tarantula bite is an extremely rare occurrence, and it's important to note that there have been NO recorded fatalities due to a tarantula bite. The venom potency varies across species, with Old World tarantulas generally having stronger venom than their New World counterparts. Within the Old World category, the Poecilotheria genus is known for having particularly potent venom.

It's crucial to approach tarantulas with respect and understanding. If you happen to get bitten, which is unlikely, the key is to stay calm. In most cases, the discomfort is superficial and subsides within a few minutes to a few hours. However, bites from species with more potent venom may result in symptoms lasting up to a week. Remember, larger tarantulas tend to have more venom than smaller ones.

Please be aware that I cannot assume responsibility for bites. Tarantula handling should be done at your own risk. In my 13 years of experience with these creatures, I have only been bitten once, by a species with highly potent venom. While the experience was painful, the symptoms had completely disappeared after a week.

Handle tarantulas responsibly, and always prioritize your safety and the well-being of the tarantula.