Its called a Redback Spider.
http://en.wikipedia.org/wiki/Redback_spider
I am not quite sure but im gonna have a go because of my idea i think it is an Alfa Romeo Spider !
Red-back & Funnel web.
Redback?
I don't know what's the most deadly animal or insect, but the deadliest arachnid is the 'Funnel Web' spider.
Potentially, if you provoke it.
HIV
Aspergillosis can be a serious, potentially deadly threat
Great White Shark
salt water crocodile
pretty sure its either malaria or aids
Yes. Water moccasin are venomous and potentially deadly.
The Taipan and the Eastern Brown