Кать, извини, что в твоей теме. Я сама по морям-океанам не разъезжаю, но вот нашла сведения об эффектах после небольшого контакта с токсом:
Instantly, I felt a severe pain resembling that caused by the cnidoblast of Coelenterata, and I felt as if the toxin were beginning to move rapidly to the blood vessel from the stung area towards my heart. After a while, I experienced a faint giddiness, difficulty of respiration, paralysis of the lips, tongue and eyelids, relaxation of muscles in the limbs, was hardly able to speak or control my facial expression, and felt almost as if I were going to die. About 15 minutes afterwards, I felt that pains gradually diminish and after about an hour they disappeared completely. But the facial paralysis like that caused by cocainization continued for about six hours.
http://echinoblog.bl...t-venomous.html
Вывод : слегка заденешь - страдать будешь. А если наступить......