Steve Mattabonni

The provided news articles detail recent shark attacks in Australia. One article reports on a 30-year-old woman being airlifted to the hospital with serious injuries after a shark attack at a Sydney beach. Another article describes the fatal attack of a 35-year-old spearfisherman by a suspected 15-foot shark near Michaelmas Island on the Great Barrier Reef. These incidents highlight a concerning trend of shark attacks in Australian waters. Steve Mattabonni is not mentioned in either of these articles, and therefore, no information can be provided about him based on the given text.