Linear/tentacle stings usually result in local pain where the tentacles contact skin. a minority present with delayed pain – Irukandji-like sting ( Table 1).the majority present with an immediately painful, linear/tentacle-like sting.Patients stung by jellyfish present in one of two ways: Irukandji-like stings occur in Northern Australia, most commonly due to Carukia barnesi, but cases have occurred less commonly in other parts of Australia and from other jellyfish types. Stings occur at times when swarms of bluebottles are in shallow coastal waters or along the shoreline. Bluebottles ( Physalia species) are the most common cause of jellyfish stings worldwide and in Australia, although few people present to hospital. Deaths from the major box jellyfish have occurred in Northern Australia, but remain rare. fleckeri), has a highly potent venom as well as multiple long tentacles. The most dangerous jellyfish, the major box jellyfish ( C. the potency of injected venom, which depends on the species.the number of stinging cells that fire, which depends on the amount of tentacle contact with skin.The venom is released via a harpoon-like mechanism that injects venom into the dermis. Contact triggers the jellyfish to release venom from millions of tiny stinging cells (nematocytes) covering the tentacles. Jellyfish cause stings when their tentacles contact skin. Blue bottle ( Physalia spp.) from eastern Australia
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