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Are Tarantulas Hairy?

Published in Tarantula Biology 1 min read

Yes, tarantulas are often hairy spiders.

Tarantulas, belonging to the family Theraphosidae, are known for their large size and, characteristically, their covering of hairs. This "hair" isn't exactly like human hair; it's comprised of bristles and setae, which serve various purposes for the spider.

  • Sensory Input: Many of these hairs are sensitive to air currents and vibrations, providing the tarantula with crucial information about its surroundings, helping it detect prey or predators.
  • Defense: Some tarantulas, particularly those from the New World, possess urticating hairs on their abdomen. These hairs are barbed and can be flicked off as a defense mechanism, causing irritation and discomfort to potential threats.
  • Climbing: The hairs on their legs aid in gripping surfaces, allowing them to climb and navigate various terrains.

While the amount of hair can vary between species, a hairy appearance is a common trait among tarantulas and contributes significantly to their unique appearance and functionality.