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Marine life

Marine spikes, such as those found on sea urchins, stonefish, scorpion fish, catfish and stingrays, can cause severe local pain. If this occurs, immediately immerse the affected area in hot water (as high a temperature as can be tolerated). Keep topping up with hot water until the pain subsides and medical care can be reached. The stonefish is found only in tropical Australia, from northwestern Australia around the coast to northern Queensland. An antivenin is available.

Marine stings from jellyfish such as box jellyfish and Irukandji also occur in Australia’s tropical waters, particularly during the wet season (October to March). The box jellyfish and the Irukandji have an incredibly potent sting and have been known to cause fatalities. Warning signs exist at affected beaches, and stinger nets are in place at the more popular beaches. Never dive into water unless you have checked – with local beach life-savers – that it’s safe. ‘Stinger suits’ (full-body Lycra swimsuits) prevent stinging, as do wetsuits. If you are stung, first aid consists of washing the skin with vinegar to prevent further discharge of remaining stinging cells, followed by rapid transfer to a hospital; antivenin is widely available.