Phormingochilus everetti — Sarawak Earth Tiger (Sling)

A Rare Bornean Giant with Fascinating Arboreal Behaviour

The Sarawak Earth Tiger Sling is a highly sought-after species originating from the lush rainforests of Borneo. Despite its common name, Phormingochilus everetti combines traits of both arboreal and fossorial tarantulas, creating a truly unique keeping experience.

Known for its impressive adult size, elegant build, and secretive nature, this species has become a prized addition to advanced collections worldwide. As it matures, it becomes a powerful, beautiful tarantula that showcases the remarkable diversity of Southeast Asian species.

For collectors looking for something uncommon and rewarding, the Sarawak Earth Tiger offers a fascinating journey from sling to adult.

Why You'll Want This Species

• Rare and highly desirable Bornean species

• Impressive adult size and elegant appearance

• Unique combination of arboreal and burrowing behaviours

• Fast-growing compared to many tarantulas

• Fascinating retreat-building and webbing habits

• An exceptional species for experienced keepers

Quick Facts

• Scientific Name: Phormingochilus everetti

• Common Name: Sarawak Earth Tiger

• Origin: Sarawak, Borneo (Malaysia)

• Adult Size: Approximately 15–18 cm leg span

• Temperament: Defensive, fast, and highly alert

• Lifespan:

  • Females: 12–15 years

  • Males: 3–4 years

Appearance

The Sarawak Earth Tiger possesses a subtle but striking beauty:

• Dark brown to charcoal base colouration

• Bronze, golden, or earthy highlights depending on lighting

• Long, graceful legs typical of arboreal species

• Velvety appearance that becomes more pronounced with maturity

While not as brightly coloured as some species, its elegant proportions and natural tones give it a distinctive presence.

Enclosure & Setup Guide (By Life Stage)

Sling

• Enclosure: Small arboreal sling enclosure with height

• Substrate Depth: 3–5 cm

• Setup: Vertical cork bark and secure retreat options

• Tip: Provide both climbing opportunities and areas for concealment

Juvenile

• Enclosure: Small arboreal enclosure

• Substrate Depth: 5–8 cm

• Setup: Cork bark tube, anchor points for webbing, water dish

Sub-Adult

• Enclosure: Medium arboreal enclosure

• Substrate Depth: 8–10 cm

• Setup: Vertical retreat, foliage, and multiple web attachment points

Adult

• Enclosure: Tall arboreal setup with generous vertical space

• Substrate Depth: 8–12 cm

• Setup Essentials:

  • Cork bark tube or vertical retreat

  • Water dish

  • Artificial or natural foliage

  • Secure anchor points for webbing

Ideal Conditions:

• Temperature: 24–28°C

• Humidity: 70–80%

• Lighting: Low to moderate

• Ventilation: Excellent cross ventilation

Feeding Guide

Diet:
Crickets, roaches, locusts, and other appropriately sized feeder insects.

Feeding Schedule:

• Slings: 2–3 times per week

• Juveniles: Once per week

• Sub-adults: Every 7–10 days

• Adults: Every 10–14 days

This species is an enthusiastic feeder and often displays impressive ambush hunting behaviour.

Behaviour & Handling

• Extremely fast and agile

• Primarily arboreal but appreciates secure retreats

• Creates extensive webbed hiding places

• Defensive when disturbed

• Handling is not recommended

The Sarawak Earth Tiger is best appreciated through observation, particularly when watching it maintain and expand its retreat system.

Important Considerations

• Venom: Potent (Old World species) — medically significant

• Visibility: Low to moderate

• Experience Level: Intermediate to advanced

• Speed: Extremely fast

This species is best suited to keepers who are comfortable working with defensive Old World tarantulas and arboreal setups.

Why Start With a Sling?

Starting with a sling allows you to:

• Observe its unique retreat-building behaviour from the beginning

• Watch its elegant adult features develop over time

• Gain experience with one of Borneo's most fascinating tarantulas

• Raise a rare collector's species through every stage of its life

Ready to Add a Rare Bornean Species to Your Collection?

The Sarawak Earth Tiger Sling is perfect for keepers who appreciate rarity, natural beauty, and complex behaviour.

Secure yours today and experience the rewarding journey of raising one of Southeast Asia's most captivating tarantulas.