An Australian underwater photographer witnessed hundreds of giant spider crabs on the march in Port Phillip Bay, Victoria, on ...

Here’s how it works. One of Australia's biggest and deadliest spiders is actually three different species, researchers discover — and one of these behemoth arachnids is even bigger than the rest.

SOMERSBY, Australia (CNN) - A ginormous and deadly funnel-web spider has been handed into a reptile park in Australia, where staff said it was the largest of its kind they’d ever seen.