The super-strong mouse spider is one of Australia's most dangerous arachnids. Muscular jaws and thick, curved fangs deliver deadly doses of paralyzing venom. This beast lives underground in a burrow sealed by a "trapdoor," and it rarely comes out for any reason other than to snatch an insect for supper. However, the mouse spider sometimes wanders into people's homes.Crunch Time: This arachnid has bulky jaws, which are colored red in some species. These powerful jaws help the mouse spider...