What are some characteristics of theraphosidae?

Theraphosidae, commonly known as tarantulas, are large, hairy Spiders characterized by their robust bodies and long legs. They typically have a diverse range of colors and patterns, with sizes varying significantly among species. These spiders are primarily nocturnal and are known for their potent venom, although most are not dangerous to humans. Tarantulas are also unique for their ability to produce silk, which they use for various purposes, including constructing webs and burrows.