Phan Cay Blue (Ornithoctoninae sp. Phan Cay Blue)

The Phan Cay Blue is a spectacular Old World tarantula known for its intense blue coloration, heavy webbing, and classic Earth Tiger personality. Still traded under an informal hobby name rather than a formally described species, it is a highly desirable collector's tarantula for keepers who appreciate rare Asian species.

Quick Facts

• Common Name: Phan Cay Blue
• Scientific Name: Ornithoctoninae sp. “Phan Cay Blue”
• Origin: Vietnam
• Habitat Type: Terrestrial / fossorial
• Size: Approximately 5–6 inches (12–15 cm) leg span
• Lifespan:
  • Females: potentially 10–15+ years
  • Males: approximately 3–5 years
• Temperament: Fast, defensive and reclusive — advanced species

Coloration

• Intense metallic blue coloration across the legs
• Dark blue to charcoal carapace
• Abdomen generally darker with contrasting hairs
• Color can become particularly vivid after a fresh molt

The combination of deep blue coloration and classic Earth Tiger behavior makes this a particularly impressive collector's species.

Housing

• Enclosure Type: Terrestrial/fossorial
• Substrate: 6–8+ inches of compactable substrate for burrowing
• Humidity: 70–80%
• Temperature: 74–80°F (23–27°C)
• Decor:
  • Cork bark or a pre-started burrow
  • Leaf litter
  • Moss
  • Water dish
• Ventilation: Good cross-ventilation is important while maintaining a humid lower substrate layer.

Give it plenty of substrate and let the spider decide how deep and extensive its burrow should be.

Feeding

• Diet: Crickets, dubia roaches, locusts and other appropriately sized feeder insects
• Slings: 2–3x per week
• Juveniles: Approximately weekly
• Adults: Every 10–14 days, adjusting according to body condition
• Expect a rapid feeding response once prey enters the enclosure.

Why Keep One?

• 💙 Exceptional blue coloration
• 🕸️ Fascinating fossorial behavior
• 🕷️ Heavy webbing and impressive burrow construction
• 🌏 Unusual and highly desirable Asian collector's species
• Excellent choice for keepers building an Earth Tiger collection

⚠️ Notes

• Not recommended for beginners
• Extremely fast and capable of sudden defensive movements
• Old World species — no urticating hairs
• Handling is strongly discouraged
• Always use secure, escape-proof housing
• May spend extended periods underground