The Sydney funnel-web spider (Atrax robustus) is a species of venomous mygalomorph spider native to eastern Australia, usually found within a 100 km (62 mi) radius of Sydney. It is a member of a group of spiders known as Australian funnel-web spiders. Its bite is capable of causing serious illness or death in humans if left untreated. [3]

The bites of the Sydney funnel-web spider (Atrax robustus) and northern tree-dwelling funnel-web spider (Hadronyche formidabilis) are potentially deadly, but no fatalities have occurred since the introduction of modern first-aid techniques and antivenom.

Atrax is a genus of venomous Australian funnel web spiders that was first described by O. Pickard-Cambridge in 1877 from the type species Atrax robustus. [3][4] It contains five species. Originally placed with the curtain web spiders, it was moved to the Hexathelidae in 1980, [5] then to the Australian funnel-web spiders in 2018. [6]

2025年1月13日 · The Sydney funnel-web spider Atrax robustus O. Pickard-Cambridge, 1877 is an iconic Australian species and considered among the most dangerously venomous spiders for humans. Originally described in 1877 from a single specimen collected in “New Holland”, this spider has a complex taxonomic history.

2024年2月26日 · The Atrax robustus, commonly known as the Sydney FWS, stands out as the most notorious species, implicated in most human fatalities caused by FWS bites. Despite FWS envenomation's formidable reputation, antivenom development …

The only recorded fatalities have followed bites by male Atrax robustus. Severe envenomation not ending fatally has occurred following bites by Hadronyche formidabilis (male specimens, but females also considered dangerous), and H. infensa (one possible fatal case), and more recently, H. versuta, H. cerberea, and Hadronyche sp.7.

2018年12月30日 · Yes, Sydney Funnel-Web Spiders can bite. Their bites can be painful and may require attention due to the venom they carry. They bite using venomous fangs when threatened. Their venom contains robustoxin, harmful to humans and monkeys but not other mammals. Males bite more often, and their venom is more toxic than females.

Reports of unusually large Sydney Funnel-web spiders from around Newcastle led an international team of scientists to take a fresh look at the Sydney Funnel-web, Atrax robustus. 13 January 2025 Read more

2019年9月11日 · Atrax spiders can bite, especially if they feel threatened. Their bite can be painful and might cause some discomfort, so it’s best to be cautious around them. Atrax spiders play a crucial role in maintaining the balance within …

Most bites by this species occur during the summer, when roaming males are most likely to enter homes. Wandering males are extremely aggressive, readily attack when provoked, and account for the majority of cases of human envenomation. The bite produces immediate pain and a wide range of neurological symptoms.