Tarantulas are the largest member of the spider species.  It  is incapable of building a web, but hunt prey by sneaking up on them and poisoning them with its venom.  In Paranormal Witness, Tarantulas are a form of fear.  Because of there looks people are scared.  Most times Tarantulas would avoid human conflict and rather hide,  but in the episode "The Coven"; the Tarantulas where summoned to the house trough the ventilation vents, the toilet, sinks and the drain.
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