The Sydney funnel-web spider has extremely dangerous venom, but according to a new study this spider is actually three different species — one of which, the "Newcastle big boy," is much larger.

Scientists in Australia have discovered a larger, more venomous species of one of the world's deadliest spiders, the Sydney funnel-web spider.

A new species of Funnel Web Spider named Atrax christenseni and nicknamed 'Big Boy' is next to the Sydney Funnel Web Spider in a container at the Australian Museum in Sydney, Australia on Tuesday. () SYDNEY — Australian scientists have discovered a bigger,

The deadly 3.54-inch-long spider Atrax christenseni is among the most dangerously venomous spiders for humans.