Skeleton tarantula

Ephebopus murinus

The skeleton tarantula, "Ephebopus murinus", is a species of spider belonging to the family Theraphosidae, sub-family Aviculariinae. A New World species, it is native to several South American countries. Its common name is derived from the skeleton-like markings on its legs.
Yellow-kneed Skeleton Tarantula (Ephebopus murinus) Montsinery-Tonnegrande, French Guiana. Nov 24, 2023 Ephebopus murinus,Fall,French Guiana,Geotagged,Skeleton tarantula

Appearance

The adult "E. murinus" usually grows to a leg span of about 11–12 cm, though females can grow as large as 15 cm.

The legs are black, the abdomen is small and brown, and the carapace is coffee colored or golden. The leg striping is similar to that of "Aphonopelma seemani", but more yellowish in colour.

Distribution

"E. murinus" is a terrestrial, semi-fossorial, lowland forest-dwelling species native to northern Brazil, French Guiana, and Suriname.

Behavior

Unlike most members of the subfamily Aviculariinae, which are arboreal, "E. murinus" lives mainly on or near the forest floor, where it will build a heavily webbed burrow beneath the topsoil or amongst branches, rocks, and other forest floor debris.

As a defense against potential predators, and in common with many other New World tarantulas, the species of the genus "Ephebopus" will brush urticating hairs from their bodies. Uniquely, rather than being located on the abdomen, "Ephebopus" urticating hairs are located on the spider's palps - on the medial side of the palpal femora; the spider sheds these hairs by rubbing the palp against the chelicerae.

"E. murinus" is also a fast and aggressive species, and will readily rise up and present its fangs to a potential predator.

Food

In common with most terrestrial tarantula species, "Ephobopus murinus" feeds on ground-dwelling insects, worms and small mammals.

References:

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Taxonomy
KingdomAnimalia
DivisionArthropoda
ClassArachnida
OrderAraneae
FamilyTheraphosidae
GenusEphebopus
SpeciesE. murinus
Photographed in
French Guiana