SYDNEY FUNNEL WEB SPIDER Atrax robustus

Australia’s, and possibly the world’s, deadliest spider, it can kill an adult in an hour.

With its venom high in neurotoxins, it has an estimated, but unverified, LD rating of 0.16. 50 It has been responsible for 13 known deaths in Australia, although none have been recorded since antivenom was developed in 1981. A bite yields an average dose of 0.14mg of venom, is extremely painful and can cause muscle spasms and convulsions. Renowned for being aggressive and with fangs that can pierce toenails, it is found in bush and urban areas in the Sydney basin.