"Don't underestimate their power!Stings fron marine animals vary from annoying to life-threatening. Cone shells, sea wasps, Portugese man-o-war, sea snakes, and other venomous creatures have killed swimmers and divers. Whether a sting can be lethal depends on the organism, the severity of the wound and the victim's individual reaction."
Drew Richardson: Rescue Diver Manual
International PADI Inc., Santa Margarita (CA) - 2004
pag. 95
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