Yes we Aussies are tough as nails. First time I’ve heard of this and well it’s like watching a horror movie. Guess no putting my legs in sea water for now. 

http://www.news.com.au/lifestyle/health/health-problems/bloodied-melbourne-teen-eaten-by-mystery-sea-creatures/news-story/f8491eb771b0db371d4980a9bd4e29d0