A burgundy goliath bird eater (<i>Theraphosa stirmi</i>) photographed at Virginia Zoo in Norfolk
A burgundy goliath bird eater (Theraphosa stirmi) photographed at Virginia Zoo in Norfolk
Photograph by Joel Sartore, National Geographic Photo Ark

Tarantulas

Tarantulas give some people the creeps because of their large, hairy bodies and legs. But these spiders are harmless to humans (except for a painful bite), and their mild venom is weaker than a typical bee's. Among arachnid enthusiasts, these spiders have become popular pets.

Tarantulas periodically shed their external skeletons in a process called molting. In the process, they also replace internal organs, such as female genitalia and stomach lining, and even regrow lost appendages.

There are hundreds of tarantula species found in most of the world's tropical, subtropical, and arid regions. They vary in color and behavior according to their specific environments. Generally, however, tarantulas are burrowers that live in the ground.

Tarantulas are slow and deliberate movers, but accomplished nocturnal

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