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). Female redback spiders are ...

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 ...