MEXICAN RED-RUMP TARANTULA
Type: Arthropoda
Class: Arachnida
Order: Araneae
Family: Theraphosidae
Genus: Brachypelma
Species: Brachypelma vagans
The Mexican Red-rump Tarantula is native to Central America, ranging from southern Mexico to Belize, Guatemala, and Honduras. It can also be found in southern regions of the United States (Florida, as an introduced species). It inhabits tropical and subtropical forests, savannas, semi-deserts, and sometimes areas near human settlements. In the wild, females live up to 20 years, while males usually survive 5–7 years. In captivity, under proper care, their lifespan can reach up to 25 years. The body weight of an adult tarantula typically ranges from 15 to 20 grams, but large females can weigh up to 30 grams. Body length — 6–7 cm, leg span — up to 15 cm.
This species leads a solitary and nocturnal lifestyle. It spends most of its time in burrows, which it digs in the ground or occupies naturally formed crevices. Males become sexually mature after their final molt and actively seek females for mating. The female lays up to 600 eggs, which develop inside a silk cocoon for 6–8 weeks. Young spiders leave the nest after their first molt. The Mexican Red-rump Tarantula is a predatory species. It hunts insects, small lizards, rodents, and occasionally small birds. The prey is paralyzed with venom and then digested externally by enzymes before being consumed.
Tarantulas of the genus Brachypelma originated about 100 million years ago, during the Mesozoic era. B. vagans evolved as an adaptation to the dry and tropical habitats of Central America.
In Mexican culture, the tarantula is a symbol of endurance and protection. Due to its calm temperament, it is a popular exotic pet. Scientists study its venom for potential medical applications, as it contains compounds with promising therapeutic properties.
According to the IUCN Red List, Brachypelma vagans is classified as “Near Threatened.”
Its main threats include habitat destruction and illegal collection for the pet trade.
5 INTERESTING FACTS
- This tarantula does not spin traditional webs but lines its burrow with silk.
- Its red hairs serve as a defense mechanism — it flicks them with its hind legs to irritate or deter predators.
- Despite its name, it rarely preys on birds and mainly feeds on insects.
- Females can outlive several males, living more than two decades.
- The species is frequently featured in movies and documentaries due to its impressive appearance.
