>>/1005968/
Spiders don't attack[1]. If you're staggering around in the dark like a drunk boong, you might walk through the web of a bird eating spider and shit your dacks.
Snakes (most hunt at night), scorpions, and territorial male roos would be the worst of it in most cases.
[1] Funnel Web excluded. They also only live in a small part of NSW.