Chironex fleckeri

species of cnidarian

Chironex fleckeri, commonly known as sea wasp, is a well-known, lethal, venomous species of Box jellyfish. It lives in coastal waters from northern Australia and New Guinea north to the Philippines and Vietnam.[1] Humans can easily be killed by its sting.[2] It is considered the most lethal jellyfish in the world because of the numerous incidents resulting in injury or death to humans.

Chironex fleckeri
Avispa marina.jpg
Chironex sp.
Not evaluated (IUCN 3.1)
Scientific classification
C. fleckeri
Binomial name
Chironex fleckeri
Southcott, 1956
Chironex fleckeri Range Map.svg
Range of Chironex fleckeri as traditionally defined, but see text.


  1. Barry Tobin (16 March 2010). "Dangerous Marine Animals of Northern Australia: Sea Wasp". AIMS Data Centre. Australian Institute of Marine Science. Retrieved 27 September 2019. CS1 maint: discouraged parameter (link)
  2. Beadnell CE, Rider TA, Williamson JA, Fenner PJ (May 1992). "Management of a major box jellyfish (Chironex fleckeri) sting. Lessons from the first minutes and hours". The Medical Journal of Australia. 156 (9): 655–8. PMID 1352619.

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