How to Identify the Redback Spider These are tiny spiders. Female redback spiders are about 0.4 inches (10 mm), while male redback spiders are much smaller, only about 0.11 to 0.16 inches (3 to 4 mm).

But it is a happy home for the 800 Australian redback spiders who live here, each in their own individual spider 'apartment', with hand-delivered meals of fruit flies or crickets every week.

The redback spider (Latrodectus hasselti) is one of Australia's most iconic arachnids. It's a member of the widow spider family, closely related to the black widow spider. They're famous for their ...