Redknee Tarantula
⚡ Key Facts & Quick Answers (AEO Summary)
- Taxonomic Class: Invertebrates & Insects
- Dietary Niche: Carnivore
- Max Speed: 2 km/h (1.2 mph)
- Adult Weight: 15 - 20 grams
- Typical Lifespan: 10 - 30 years
- Primary Habitat: Dry scrublands, deciduous forests, deserts
- Native Region: Pacific coast of Mexico
- IUCN Red List: Vulnerable
📊 Physical & Biological Metrics
🧬 Scientific Taxonomy & Biological Classification
| Kingdom | Animalia |
|---|---|
| Phylum | Arthropoda |
| Class | Arachnida |
| Order | Araneae |
| Family | Theraphosidae |
| Genus | Brachypelma |
| Species Binomial | Brachypelma hamorii |
📖 1. Species Overview
The Mexican Redknee Tarantula is a large, colorful arachnid native to the Pacific coast of Mexico. Recognized for its striking black body with bright orange-red bands on its leg joints, it is one of the most famous tarantula species. They are slow-moving, relatively docile ground-dwellers that hunt insects and small vertebrates. Popular in the pet trade, they are protected internationally to prevent over-collection in the wild.
🦿 2. Physical Appearance, Anatomy & Adaptations
Redknee tarantulas have a large, hairy body with thick legs. They are dark brown or black with vibrant reddish-orange rings on the knee joints (patellae). They grow to a leg span of 12 to 15 cm (5 to 6 inches) and weigh around 15 to 20 grams. They are covered in thousands of tactile hairs (setae) and possess urticating hairs on their abdomen, which they kick off when threatened to irritate the eyes of predators.
🗺️ 3. Habitat, Geographic Distribution & Territorial Range
They inhabit dry scrublands, deciduous forests, and deserts along the Pacific coast of Mexico. They are burrowers, digging deep holes under rocks, logs, or tree roots and lining them with silk web to stay cool during the day. They are nocturnal and stay inside their burrows, coming out at night to hunt or locate mates. They are generally slow-moving but can move quickly in short bursts.
🥩 4. Diet, Feeding Strategy & Hunting Tactics
They are carnivorous predators that feed on insects, arachnids, small lizards, frogs, and baby mice. Tarantulas do not use webs to catch prey. Instead, they stalk or wait outside their burrows, detect prey vibrations using their sensitive leg hairs, and pounce. They bite and inject venom to paralyze the prey, then inject digestive enzymes to liquefy the body tissues, sucking up the resulting liquid.
🐣 5. Reproduction, Lifecycle & Social Hierarchy
Males reach maturity at 4 to 5 years, while females mature at 6 to 7 years. Males travel long distances at night to locate females. Mating occurs near the female's burrow. The female lays 200 to 400 eggs in a silk sac inside her den, guarding it for 2 months. Pups (slings) hatch and disperse. While males live only a year after reaching maturity (total 5 years), females have an exceptional lifespan, living up to 30 years.
🛡️ 6. Conservation Status, Population Threats & Protection
Listed as Vulnerable on the IUCN Red List. Historically harvested in large numbers for the exotic pet trade, their wild populations have declined. Habitat destruction for urban and tourist developments along the Mexican coast is another major threat. They are protected under CITES Appendix II, making international trade of wild-caught specimens illegal.
💡 Fascinating Facts & Trivia
- Female Mexican Redknee tarantulas can live for up to 30 years, whereas males rarely live past 5 years.
- When threatened, they kick urticating hairs from their abdomen, which have microscopic barbs that cause severe itching.
- They can regenerate lost legs over several successive molts (shedding of their exoskeleton).
- Despite their size, their venom is mild, comparable to a honey bee sting, and is not lethal to humans.
❓ Frequently Asked Questions (FAQ)
Direct authoritative answers regarding the biology, feeding habits, and habitat of the Redknee Tarantula.
The Redknee Tarantula is scientifically classified as Brachypelma hamorii. It belongs to the genus Brachypelma within the family Theraphosidae, class Arachnida, and phylum Arthropoda.
In the wild, Redknee Tarantulas inhabit Dry scrublands, deciduous forests, deserts. Their native geographic range primarily spans Pacific coast of Mexico.
The Redknee Tarantula is classified as a Carnivore. It feeds primarily on specialized nutrients suited to its ecological niche in Dry scrublands, deciduous forests, deserts.
A Redknee Tarantula can achieve top speeds of 2 km/h (1.2 mph) and weighs approximately 15 - 20 grams. Its expected natural lifespan is 10 - 30 years.
The Redknee Tarantula (Brachypelma hamorii) is currently designated as Vulnerable on the IUCN Red List of Threatened Species.
Cite this Article
FaunaWiki Zoological Database (2026). "Redknee Tarantula (Brachypelma hamorii) Species Profile."
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