Colombian lesserblack tarantula
Xenesthis immanis
Photo: Wikimedia Commons (CC) via https://en.wikipedia.org/wiki/Xenesthis_immanis
Overview
Xenesthis immanis, the Colombian lesser black tarantula, is a terrestrial bird spider (tarantula) found in Colombia, Venezuela, and Peru. It is a relatively large spider with a body length reaching 6–7 cm and a length width reaching 19–22 cm. It frequently displays a commensal or mutualistic relationship with the microhylid frog Chiasmocleis ventrimaculata.
The relationship described is one where the spider may protect the frog and its eggs from predators while the frog protects the spider's eggs from ants. It has also been observed closely associating with Hamptophryne boliviana, another microhylid.
The Colombian lesserblack tarantula faces severe population decline primarily due to habitat destruction from deforestation, agricultural expansion, and urban development in its limited range. Collection pressure for the international pet trade has further reduced wild populations of this endemic Colombian species.
Other threatened species in Theraphosidae
Threatened in Colombia
Frequently asked questions
Why is Colombian lesserblack tarantula classified as Endangered?
Where does Colombian lesserblack tarantula live?
What are the main threats to Colombian lesserblack tarantula?
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