Sarawak Red Tiger Tarantula (Phormingochilus everetti) Care Guide, Natural History & Husbandry

Some tarantulas become popular because they are colorful. Others gain attention because they are large or unusually defensive. The Sarawak Red Tiger Tarantula, Phormingochilus everetti, has earned its reputation for an entirely different reason—it looks like a predator that never stopped evolving for life in the rainforest canopy.

Native to the ancient tropical forests of Borneo, this remarkable arboreal species combines striking coloration, impressive size, and a lifestyle that few tarantula keepers ever truly witness in the wild. Hidden high among tree trunks and hollow cavities, P. everetti spends much of its life above the forest floor, where humidity, rainfall, and dense vegetation create one of the richest ecosystems on Earth.

For experienced keepers looking beyond the more commonly encountered arboreal species, the Sarawak Red Tiger Tarantula offers a fascinating glimpse into one of Southeast Asia's most specialized tarantula lineages.

Species Overview

Scientific Name: Phormingochilus everetti
Common Name: Sarawak Red Tiger Tarantula
Type: Old World Arboreal
Origin: Borneo (Sarawak, Malaysia)
Adult Leg Span: 7–9 inches
Growth Rate: Moderate to Fast
Temperament: Defensive, Extremely Fast
Experience Level: Advanced

Life in the Rainforests of Borneo

Borneo is home to some of the oldest rainforests on the planet. Towering dipterocarp trees rise hundreds of feet above the jungle floor while thick vegetation creates a humid, shaded environment beneath the canopy.

The Sarawak Red Tiger Tarantula has adapted perfectly to this vertical world.

Rather than digging burrows like many terrestrial tarantulas, Phormingochilus everetti occupies hollow branches, tree cavities, bark crevices, and natural openings high above the ground. These elevated retreats provide protection from predators while positioning the spider to ambush passing prey.

Unlike many arboreal species that rely heavily on webs, P. everetti tends to use silk strategically around retreat entrances and resting locations rather than constructing extensive sheet webs.

At night, it emerges from hiding to hunt insects and other small invertebrates moving through the rainforest.

Why Is It Called the Red Tiger?

The common name comes from the species' striking appearance.

Adult specimens often display rich reddish-orange tones across portions of the abdomen and legs, contrasted by darker patterning that creates a tiger-like appearance. Combined with the long, athletic build typical of arboreal tarantulas, the result is a spider that looks every bit as exotic as its rainforest home.

Juveniles can display different coloration than adults, gradually developing their mature appearance through successive molts.

Under proper lighting, healthy specimens often show vibrant reddish highlights that make them stand out from many other arboreal species in the hobby.

Behavior and Temperament

The Sarawak Red Tiger Tarantula should never be mistaken for a beginner species.

Like many Old World tarantulas, it possesses no urticating hairs and instead relies on speed, threat displays, and defensive behavior when it feels cornered.

What surprises many keepers is just how quickly these spiders can move. A startled Phormingochilus everetti can disappear into a retreat almost instantly.

Fortunately, established specimens typically spend much of their time inside their chosen hide and become relatively predictable once settled.

Most problems arise when the spider is disturbed during maintenance or when insufficient hiding places are provided.

Enclosure Design

The best enclosures for P. everetti focus on height rather than floor space.

Think vertically.

A secure arboreal enclosure should include:

• Tall climbing surfaces

• Cork bark tubes or hollow vertical hides

• Strong ventilation

• Moderate humidity

• Multiple retreat options

The goal is to recreate a tree cavity rather than a terrestrial habitat.

Many keepers find that providing several bark structures allows the spider to choose its preferred retreat while encouraging more natural behaviors.

Substrate Recommendations

Although this species spends most of its life above the substrate, the enclosure floor still plays an important role in humidity regulation and environmental stability.

Arachno Thrive Tarantula Burrowing Substrate from the Vivarium Naturals collection works exceptionally well as a foundational substrate layer. Its moisture-retentive properties help create stable environmental conditions while remaining well-aerated.

For naturalistic arboreal displays, many keepers choose Terra Thrive Bioactive Vivarium Substrate, particularly when incorporating live plants into larger enclosures.

Adding Vivarium Grade Sphagnum Moss in selected areas helps maintain localized humidity, while expanded clay drainage nodules beneath the substrate can improve drainage and prevent excessive moisture accumulation.

Together, these components help create a healthier and more stable rainforest-inspired habitat.

Temperature and Humidity

Coming from tropical rainforest environments, Phormingochilus everetti thrives in warm, humid conditions.

Daytime temperatures in the mid to upper 70s Fahrenheit generally work well, while humidity should remain moderate to high without allowing the enclosure to become stagnant.

Good airflow is every bit as important as moisture.

One of the most common mistakes with arboreal Old World species is creating overly wet conditions with inadequate ventilation. Damp air that cannot circulate often causes more problems than slightly lower humidity levels.

The objective is humid air—not a wet enclosure.

Feeding

The Sarawak Red Tiger Tarantula is an enthusiastic predator.

Appropriately sized prey items include:

• Crickets

• Roaches

• Mealworms

• Superworms

• Other feeder insects

Many specimens exhibit explosive feeding responses, launching from retreats with surprising speed.

Juveniles generally grow quickly when fed regularly, while mature females can maintain healthy feeding responses for many years.

Observing a large arboreal species hunt is often one of the most rewarding aspects of keeping P. everetti.

Molting and Growth

As with many arboreal tarantulas, molting often occurs inside secluded retreats where the spider feels secure.

Prior to a molt, feeding activity typically declines and the spider may spend extended periods hidden from view.

This behavior is completely normal.

After molting, resist the urge to feed immediately. Allow adequate time for the new exoskeleton and fangs to harden before offering prey.

Patience during this stage helps prevent unnecessary injury.

A Hidden Gem Among Arboreal Tarantulas

The hobby often focuses on the most famous species, but the Sarawak Red Tiger Tarantula deserves far more attention than it receives.

Its combination of rainforest origins, impressive size, vivid coloration, and fascinating arboreal behavior make it one of the most rewarding species available to experienced keepers.

While it lacks the widespread recognition of some better-known Old World tarantulas, many collectors who work with Phormingochilus everetti consider it among the most beautiful and interesting arboreal species in their collections.

Final Thoughts

The Sarawak Red Tiger Tarantula is a true rainforest predator—fast, intelligent, visually striking, and perfectly adapted to life above the forest floor. For advanced keepers seeking something beyond the usual arboreal species, Phormingochilus everetti offers a captivating blend of natural history and husbandry challenge.

With proper vertical housing and high-quality enclosure materials such as Vivarium Naturals Brand Arachno Thrive Tarantula Burrowing Substrate, Terra Thrive Bioactive Vivarium Substrate, Vivarium Grade Sphagnum Moss, and expanded clay drainage nodules, this remarkable Bornean species can thrive for years while showcasing the beauty of one of Southeast Asia's most impressive arboreal tarantulas for sale in the market.