Keeper guide

Indian Ornamental Moulting Guide — Poecilotheria regalis

Moulting is a normal part of growth for Poecilotheria regalis. Before a moult, Indian Ornamentals may stop eating, spend more time hidden, increase webbing or show visible changes to the abdomen.

At a glance

Quick facts

World
Old World
Origin
India
Lifestyle
Arboreal
UK hobby rarity
Common
Maximum size
About 17–18 cm (6.5–7 in)
Growth rate
Fast
Male lifespan
Around 3–5 years
Female lifespan
Around 10–12 years or more
Temperament
Extremely fast and reactive; often retreats but can defend itself strongly when cornered
Venom
Medically significant; bites can cause severe pain and systemic symptoms including cramping
Temperature
22–27°C; avoid overheating and provide stable room conditions
Moisture / humidity
Moderate moisture with strong ventilation and constant access to clean water
CITES
CITES Appendix II; UK Annex B

Recognising premoult

Food refusal is one common premoult sign in Poecilotheria regalis, especially when it appears alongside heavier webbing, retreat closure or a darker exposed abdomen. Not every Indian Ornamental shows every sign.

Once premoult looks likely, stop offering live prey and keep fresh water available. Do not keep testing Poecilotheria regalis's appetite every day.

Preparing the enclosure

Leave the main retreat intact for Poecilotheria regalis. Remove loose feeders, check the water dish and avoid unnecessary rehousing or major enclosure work while the spider is preparing to moult.

Stable temperature and normal moisture are more useful than sudden changes. Keep Poecilotheria regalis within its normal range of 22–27°C; avoid overheating and provide stable room conditions and follow the usual moisture pattern for the species.

During the moult

An Indian Ornamental may moult on its back, side or in another position that looks unusual to a new keeper. Do not flip the spider over or touch it simply because the posture looks alarming.

Give Poecilotheria regalis space. Intervention during a normal moult can cause more harm than leaving the spider alone, so watch from outside the enclosure unless there is a clear, specific emergency.

After the moult

After Poecilotheria regalis emerges, the new exoskeleton and fangs are soft. Keep water available and wait for the spider to harden before offering food.

Small Indian Ornamentals harden sooner than large adults. Instead of using one fixed number of days for every spider, wait until movement looks normal and the fangs have darkened.

Using the exuvia

A well-preserved moult from Poecilotheria regalis can be useful for confirming sex and keeping growth records. Remove it only when doing so will not disturb the spider.

Date the exuvia if you keep records for an Indian Ornamental. Over time, moult dates provide a much clearer picture of growth than trying to estimate age from size alone.

When a delay is normal

Premoult can last much longer in a large Poecilotheria regalis than in a tiny sling. A period of hiding and fasting is not automatically a failed moult or an emergency.

Keep the enclosure stable and watch for actual problems rather than the passage of time alone. If an Indian Ornamental is secure, has water and is behaving like a premoult spider, patience is usually the right response.