1of6 Something rare and creepy recently washed ashore on Mustang Island, and it's best to stay away from them.Jennifer BaltazarShow MoreShow Less 2of6 On March 29, Jennifer Baltazar didn't notice the eyeball-looking creatures scattered on the shore until her son starting to feel pain in his foot.Jennifer BaltazarShow MoreShow Less 3of6 4of6 When Baltazar traced back their steps to see what he could have stepped on, she saw the jellyfish-like species.Jennifer BaltazarShow MoreShow Less 5of6 She took pictures and sent them to Mission Aransas reserve director Jace Tunnell at the University of Texas Marine Science Institute, who told MySA.com he's never seen before. After some research, the institute identified them as Rhizophysa eysenhardti – a creature related to Portuguese man-of-war.Jennifer BaltazarShow MoreShow Less