Explore box jellyfish biology, species, safety, and current research through this organized learning centre. Start with the complete guide or choose the question you want answered.
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Complete guide to box jellyfish
Learn what box jellyfish are, where they live, how they see and swim, what they eat, how they reproduce, and which species are dangerous.
Safety and first aid
- Sting symptoms, emergency signs, and first aid
- Danger by species
- How box jellyfish venom affects the body
- Sting facts and myths
- Australian stinger season
Anatomy and senses
- Appearance and identification
- Size and tentacle length
- How box jellyfish eyes work
- Why many species have 24 eyes
- Nervous system and behaviour
Ecology and life cycle
Species
Begin with our profile of the Australian box jellyfish, Chironex fleckeri. Additional reviewed species profiles are being developed.
Our editorial standard
We are rebuilding BoxJellyfish.org around clear sourcing, visible review dates, corrections, and expert review. Safety information links to current public guidance from organizations such as ANZCOR, Healthdirect Australia, NOAA, and the Australian Museum.
Learn about our mission and standards, read the Editorial Policy, or report an error through the Corrections Policy.
Updated: 22 August 2026.