A Legendary Old World Powerhouse

The Thailand Big Black Sling is not just a tarantula — it's a statement piece. Known for its jet-black, velvety appearance and intense defensive nature, Cyriopagopus minax is one of the most iconic Old World species in the hobby.

This is a tarantula for keepers who appreciate raw, untamed beauty and the thrill of observing true natural behaviour. Rarely seen… but never forgotten.

Why You'll Want This Species

• Striking all-black colouration with subtle iridescent sheen
• Legendary Old World species from Southeast Asia
• Master burrower with complex underground tunnels
• Explosive feeding response — powerful ambush predator
• Highly rewarding for experienced keepers

Quick Facts

• Scientific Name: Cyriopagopus minax
• Common Name: Thailand Big Black / Thailand Black
• Origin: Thailand, Myanmar, Laos, Cambodia
• Adult Size: ±15–20 cm leg span
• Temperament: Highly defensive, fast, reclusive
• Lifespan:
  • Females: ±15–20 years
  • Males: ±4–5 years

Appearance

• Deep velvety black to charcoal body and legs
• Subtle metallic sheen under lighting
• Fangs may show green/bronze hues
• Mature males can appear slightly lighter

Its minimalist, dark aesthetic makes it one of the most intimidating and elegant tarantulas you can own.

Enclosure & Setup Guide (By Life Stage)

Sling

• Enclosure: Small terrestrial/burrowing vial
• Substrate Depth: 5–8 cm (moist, compacted)
• Set up: Starter burrow or angled cork bark
• Tip: Prioritise depth — this species needs to feel secure underground

Juvenile

• Enclosure: Small terrestrial enclosure
• Substrate Depth: 10–15 cm
• Setup: Deep substrate + burrow starter, minimal décor

Sub-Adult

• Enclosure: Medium enclosure with a strong focus on burrowing
• Substrate Depth: 15–20 cm
• Setup: Cork bark hide, water dish, low clutter

Adult

• Enclosure: Terrestrial burrow setup (floor space + depth)
• Substrate Depth: 20–25 cm (critical for natural behaviour)
• Set up Essentials:
  • Deep substrate for tunnelling
  • Water dish
  • Dark, low-light environment

Ideal Conditions:

• Temperature: 24–28°C
• Humidity: 70–80% (keep lower layers slightly moist)
• Lighting: Low light preferred
• Ventilation: Balanced airflow to prevent stagnation

Feeding Guide

• Diet: Crickets, roaches, locusts

Feeding Schedule:

• Slings: 2–3 times per week
• Juveniles: Once per week
• Sub-adults: Every 7–10 days
• Adults: Every 10–14 days

Feeding Style: Expect fast, explosive strikes — this species is a confident and powerful hunter.

Behaviour & Handling

This is a highly defensive Old World species — not suitable for beginners.

• Extremely fast and reactive
• Spends most of its life hidden in burrows
• Handling is strictly not recommended
• Will threaten and strike if disturbed

Best suited for experienced keepers who value observation over interaction

Important Considerations

• Venom: Potent (Old World) — medically significant
• Visibility: Low ("pet hole" species)
• Respect level: High — this is not a casual pet

Why Start With a Sling?

Raising your Cyriopagopus minax from a sling allows you to:

• Witness the development of its burrowing instincts
• Gradually adapt to its speed and behaviour
• Build experience with advanced tarantula care

Ready for a True Old World Challenge?

The Thailand Big Black Sling is perfect for collectors who want something powerful, rare, and unforgettable.

Stock is limited — secure yours now and own one of the most iconic black tarantulas in the world.

Photo credit: Sarka Masova via Wikimedia Commons