The hobo spider is a species of terrestrial spider known for building, as it is often called a funnel-web spider, though not to be confused with the highly venomous Australian funnel-web spider. The venom of the hobo spider is believed to cause skin damage (necrosis) but unlike other spiders that cause the same damage hobo spider venom is not considered toxic to humans according to the Centers for Disease Control and Prevention. The hobo spider is one that is considered to be very aggressive in nature.