“The Newcastle funnel-web, Atrax christenseni— dubbed Big Boy—is a totally new species. The ‘true’ Sydney Funnel-web, Atrax robustus centres on the North Shore of Sydney and the Central Coast, and the Southern Sydney Funnel-web, Atrax montanus, is a resurrected species name from 1914,” Loria explained.

Researchers say they used anatomical and DNA comparisons to study different populations of the Sydney funnel-web spider – one of the world’s deadliest spiders – and found there were three species, only two of which were previously known to science.

Scientists from Australia and Germany have classified a new, highly venomous species of spider, Atrax christenseni, known as Big Boy. It is very large and highly venomous, with bites that can be fatal.

A new type of spider, nicknamed the ‘big boy’, has officially been discovered in Australia- and immediately became one of the deadliest arachnids in the world. The Sydney funnel-back spider has held the title of world’s most venomous spider for many years,

The first person to discover the Aussie spider, Kane Christensen, has warned people not to approach it, citing its massive fangs and glands that produce 'copious amounts of venom'

Australian scientists have discovered a bigger, more venomous species of the Sydney funnel-web spider, one of the world's deadliest.

A larger and more venomous species of one of the world's deadliest spiders has been confirmed by Australian scientists. Nicknamed 'big boy', it can grow up to 9cm (3.54 inches) compared with 5cm (1.97 inches) for the more common Sydney funnel-web.

Scientists in Australia have discovered a spider that they've unironically nicknamed "Big Boy." This arachnid is a larger, more venomous version of the Sydney funnel web, known to be one of the world's deadliest spiders.

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