Brachypelma emilia

Mexican Redleg

3 active listings · Spiders

About the species

Mexican Redleg (Brachypelma emilia) is a terrestrial New World tarantula and the type species of Brachypelma. The World Spider Catalog accepts the name (White, 1856) and gives the distribution as Mexico; the literature associates it with the Pacific foothills of the Sierra Madre Occidental, especially Sinaloa, Nayarit, and western Durango, not the coastal redknee complex. Adult females usually reach about 5–6 cm in body length and about 14–16 cm in leg span. A pale carapace with a dark triangle and orange-red femora mark a “redleg”, not the joint rings of Brachypelma hamorii and not the flame patellae of Brachypelma auratum. Slow growth does not make every individual a calm starter.

Origin and distribution

Mexico (Sinaloa, Nayarit and Durango)

Endemic

The species is endemic to Sinaloa, Nayarit and Durango (Mexico).

Occurrence areaLocation / context

Current listings

Care at a glance

  • Size

    Females approx. 5–6 cm body length; leg span approx. 14–16 cm

  • Enclosure type

    Horizontal, for a terrestrial species with the option to dig

  • Substrate

    A stable, thicker layer; the surface rather dry

  • Furnishings

    A hide and constant access to fresh water

  • Conditions

    Rather dry to moderate; good ventilation, without constantly wet substrate

  • Characteristics

    Slower growth, long-lived females, urticating hairs; an observation species

Care and behaviour

Brachypelma emilia is a terrestrial species of drier Pacific Mexican lowlands. Floor area matters more than height. Provide a stable substrate layer in which the spider can deepen a retreat, a prepared hide, and constant water. An enclosure that is too tall increases fall injury risk — unlike arboreal Avicularia.

Most of the substrate surface may remain rather dry, as in seasonally dry Sinaloa and Nayarit woodland. A small part of the lower layers may be slightly more humid, but constantly wet, stuffy conditions are not appropriate. A gradient with clear ventilation is better than a single rigid humidity figure.

Growth is relatively slow, and adult females may live for many years, so the species needs patience. Individuals are often less sprinting than Heteroscodra, but urticating hairs and individual nerviness remain. Do not treat emilia as a copy of hamorii, auratum, klaasi, or boehmei: the carapace mask and red femora are its own pattern. Best kept as an animal for observation.

Good to know

Brachypelma emilia has urticating hairs it may use when disturbed; contact irritates skin, eyes, and mucous membranes. The whole genus Brachypelma, including this species, is listed on CITES Appendix II; cross-border trade may require documents, and obligations — including national ones — vary by jurisdiction and transaction type. This is not legal advice and does not mean every keeping situation requires the same registration. Prefer legally sourced, documented captive-bred animals.

Need help? Write to us!