Phormingochilus pennellhewlettorum

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Phormingochilus pennellhewlettorum, or Bario Bat-Eater Tarantula, is a rare arboreal tarantula native to the highland rainforests of Bario, Sarawak, in Borneo. It belongs to the Phormingochilus genus and is known for its slender build, swift movement, and arboreal webbing behavior.

The Bario Bat-Eater earns its name not from an ordinary diet of bats but from its impressive size and predatory prowess in its natural habitat—where small vertebrates may occasionally become prey. It displays earthy brown to golden hues with subtle iridescence and fine hair textures, helping it blend seamlessly with mossy tree trunks.

As an Old World arboreal tarantula, it lacks urticating hairs and defends itself with speed and venom. It is a fast, shy, and defensive species that constructs deep silk tube retreats in vertical spaces such as tree hollows. This species is extremely rare in the hobby and is best suited for highly experienced keepers or collectors of unique arboreals.

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Phormingochilus pennellhewlettorum, or Bario Bat-Eater Tarantula, is a rare arboreal tarantula native to the highland rainforests of Bario, Sarawak, in Borneo. It belongs to the Phormingochilus genus and is known for its slender build, swift movement, and arboreal webbing behavior.

The Bario Bat-Eater earns its name not from an ordinary diet of bats but from its impressive size and predatory prowess in its natural habitat—where small vertebrates may occasionally become prey. It displays earthy brown to golden hues with subtle iridescence and fine hair textures, helping it blend seamlessly with mossy tree trunks.

As an Old World arboreal tarantula, it lacks urticating hairs and defends itself with speed and venom. It is a fast, shy, and defensive species that constructs deep silk tube retreats in vertical spaces such as tree hollows. This species is extremely rare in the hobby and is best suited for highly experienced keepers or collectors of unique arboreals.

Arboreal Bliss A photograph of the small Arboreal Bliss premium creature habitat measuring 4 inches by 4 inches by 6 inches A photograph of the medium Arboreal Bliss premium creature habitat measuring 6 inches by 6 inches by 12 inches A photograph of the large Arboreal Bliss premium creature habitat measuring 12 inches square
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What's the ideal diet for Bario Bat-eater Tarantula?

All Tarantulas can eat a variety of feeders. Stick to crickets, dubia roaches, silkworms, horned worms occasionally, and a superworm or mealworm as the occasional treat!

How should I keep a Bario Bat-eater Tarantula?

For this particular creature, you can start with the small Arboreal Bliss enclosure, and when they get to be about ⅓ the size, you will want to upgrade to the medium or large Arboreal Bliss enclosure. Feed them as slings once a week, twice if their opisthosoma (abdomen) looks small, but if the opisthosoma is wider than their prosoma (cephalothorax), then wait a couple of days to feed. For juveniles or adults, stick to feeding once a week, nothing larger than their opisthosoma. Make sure to keep a full water dish at all times; wider and deeper is preferred.

How long could a Bario Bat-eater Tarantula live?

Females are believed to live upwards of 15+ years, and males not exceeding around 4 years of age. All estimates are based on multiple sources.