Funnel Web Spider Lifespan 2025. The lifespan of funnel web spiders varies depending on the species and environmental conditions. These are the homes of the porongurup trapdoor (cataxia sp.), a shy brown spider that grows to about 4cm long, with a dark body and light brown legs.
They are rarely seen except during tree felling, excavation or landscaping work. The lifespan of funnel web spiders varies depending on the species and environmental conditions.