Bolivian Dwarf Beauty (Cyriocosmus perezmilesi)

The Bolivian Dwarf Beauty is a small but spectacular New World tarantula from Bolivia. Like other Cyriocosmus, it combines a compact adult size with beautiful markings and fascinating behavior, making it a fantastic choice for collectors who appreciate dwarf species.

Quick Facts

• Common Name: Bolivian Dwarf Beauty
• Scientific Name: Cyriocosmus perezmilesi
• Origin: Bolivia
• Habitat Type: Terrestrial / fossorial
• Size: Approximately 2–3 inches (5–7.5 cm) leg span
• Lifespan:
  • Females: approximately 8–12 years
  • Males: approximately 2–4 years
• Temperament: Generally shy and skittish; can be quick when disturbed

Coloration

• Dark brown to black overall coloration
• Attractive golden, orange and reddish patterning
• Distinctive abdominal markings typical of Cyriocosmus
• Females generally retain their coloration well into adulthood

Its small size makes the contrasting markings even more impressive.

Housing

• Enclosure Type: Terrestrial with fossorial tendencies
• Substrate: 3–5 inches of compactable substrate
• Humidity: 65–75%
• Temperature: 72–78°F (22–26°C)
• Decor:
  • Small cork bark hide
  • Leaf litter
  • Moss
  • Small water dish

Provide enough substrate for it to construct a shallow burrow or retreat.

Feeding

• Diet: Small crickets, roach nymphs, mealworms and appropriately sized feeder insects
• Slings: 2–3x per week
• Juveniles: Approximately weekly
• Adults: Every 7–14 days depending on body condition

Despite its tiny size, it can have an impressive feeding response!

Why Keep One?

• 💛 Beautiful contrasting coloration
• 🕷️ Compact dwarf species
• 🌎 Unusual Bolivian locality
• 🏡 Requires very little space
• 🕸️ Fascinating burrowing and webbing behavior
• ⭐ Excellent addition to a dwarf tarantula collection

Notes

• Small and relatively delicate compared with larger terrestrial species
• Can be quick and skittish
• Not recommended for handling
• Secure ventilation is important, especially with small enclosures
• Avoid excessively wet substrate; provide a moisture gradient rather than keeping the entire enclosure saturated