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Brachypelma hamorii - Mexican Red Knee Tarantula

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Brachypelma hamorii – Mexican Red Knee Tarantula

The Mexican Red Knee is one of the most iconic tarantulas in the hobby—famous for its calm temperament, striking orange-red leg joints, and long lifespan. A perfect first tarantula, Brachypelma hamorii is slow-growing but incredibly rewarding to raise, known for its photogenic poses and gentle nature that makes it a true classic in any collection.

📣 Special Notices
Check out my YouTube channel for detailed videos on care, setups, and feeding demonstrations of this stunning species. See exactly how I house and feed my B. hamorii adults and slings.
🌿 Care Details
🌡️ Temperature 75–80°F (24–27°C)
💧 Humidity ~50%, slightly moist substrate with dry top layer
🏠 Housing
Babies 1–4 oz deli with fine ventilation; light moisture, hide optional.
Juveniles ~4× body size enclosure; moderate substrate depth for light burrowing.
Adults Terrestrial setup; 12×8" footprint ideal. Provide cork bark hide and shallow substrate.
🍽️ General Diet
Crickets and roaches (Dubia, Red Runner, Lobster). Babies get pre-killed feeders if needed. Remove leftovers or bolus promptly. Larger adults can occasionally take a pinky or feeder lizard—sparingly, as excess calcium can cause constipation. We never use pinhead crickets; they’re too low in protein.
📘 In-depth Facts
🕷️ Latin name Brachypelma hamorii
📛 Common name(s) Mexican Red Knee Tarantula
🌡️ Temperature 75–80°F (24–27°C)
💧 Humidity ~50%
📍 Locale Pacific Coast, Mexico (Guerrero region)
🏷️ Category Terrestrial; moderate webber; occasional burrower
📏 Size ~7–8" female, ~5" male
🪶 Urticating hairs Yes
⏳ Growth rate Slow
🧭 Life span Females 25–35 years; males ~5 years
🍽️ Feeding Crickets and roaches weekly; adults biweekly
🎯 Recommended levels Beginner-friendly
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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.