[Ranma himself hadn't visited Snaxburg Island. However, he's met people here who have adopted some as a companion. Namely, one of his crewmates. Needless to say, when the video pop-up reporting the parasitic nature showed, it took precident.]

... If they're that dangerous, wouldn't it be easier to light the whole island ablaze so no one'd have a chance to visit and decide 'Oh, this walking burger or pizza or whatever look like a tasty snack' is a good idea?