human hand showing a plastic cup with a stinging marine bluebottle

atlantic beached beware blue bluebottle bottle brazil closeup coastal cup danger dangerous deadly hand hazard hazardous human hydrozoan invertebrate jelly jellyfish kill life macro man manofwar marine nematocysts ocean painful paralyze physalia physaliidae physalis pink plastic poisonous portuguese purple recife sea species sting stinger stranded tide toxic transparent tropical venom venomous war wildlife zooids