Eight-eyed critter with ‘woolly, golden hairs’ found burrowing in Iran. See new species

Mehdi Gavahyan was wandering Iran’s Zagros Mountains when he snapped a photo of a small spider crawling by.

The local naturalist sent the photo to his friend, arachnologist Alireza Zamani. The scientist quickly determined the creature was likely a new species, so he asked Gavahyan and another friend to send him specimens of the spider, Zamani said in an Aug. 8 news release.

Despite their efforts, the naturalists were only able to capture one female spider. But that was enough for Zamani.

The small tarantulas are covered in “slivery, golden” hairs. Kari Kaunisto/ZooKeys
The small tarantulas are covered in “slivery, golden” hairs. Kari Kaunisto/ZooKeys

The creature had enough unique traits that Zamani said it could be determined the single female was a new species, Chaetopelma persianum, or the Persian gold tarantula, according to the release.

In a new study published Aug. 8 in ZooKeys, Zamani described the unusual species. Here’s what to know about the Persian gold tarantula.

A golden, woolly creature

The tarantula is covered in a layer of “woolly, silvery, golden” hairs, according to the study. Its legs have fine hairs that become a metallic blue-green iridescent color in the light.

Beneath this woolly overcoat, the eight-eyed creatures are a reddish brown, scientists said.

The tarantula is a reddish brown color beneath its woolly layer of hairs. Kari Kaunisto/ZooKeys
The tarantula is a reddish brown color beneath its woolly layer of hairs. Kari Kaunisto/ZooKeys
The Persian gold tarantula in a defensive position. Kari Kaunisto/ZooKeys
The Persian gold tarantula in a defensive position. Kari Kaunisto/ZooKeys

The female that scientists studied was about 1.4 inches long, including her legs, Zamani said in his release.

The tarantulas are a burrowing species, and they inhabit high elevations with lots of vegetation in the northern Zagros Mountains, the study said. The female specimen was found in a self-made burrow on a rocky slope.

The burrowing creature surrounds its self-made burrow with silk, soil and debris. Amir Hossein Aghaei/ZooKeys
The burrowing creature surrounds its self-made burrow with silk, soil and debris. Amir Hossein Aghaei/ZooKeys

The burrow’s entrance was made of silk mixed with soil and debris, according to researchers. Scientists used water to remove the tarantula from its burrow, making them unable to study inside of the hole.

The female Persian gold tarantula’s burrow was found on a rocky slope in the Zagros Mountains. Amir Hossein Aghaei
The female Persian gold tarantula’s burrow was found on a rocky slope in the Zagros Mountains. Amir Hossein Aghaei

Although only one female specimen has been collected, two potential males were photographed in nearby regions, the study said. Scientists have not determined if the tarantulas are officially Ch. persianum, but they said it is highly likely.

The Zagros Mountains are along Iran’s western edge.

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