Tina Fletcher was a passenger on an airboat when the fish struck her, Florida Fish and Wildlife Conservation Commission officials told the Sun. No one else was injured, according to the report. Southwest Florida Online reports there have been four other incidents of sturgeon hitting boats and boaters this year, with two people suffering minor injuries. The Gulf sturgeon can grow up to 9 feet long and weigh as much as 300 pounds, according to the U.S. Fish and Wildlife Service. The fish migrates from saltwater into freshwater rivers to spawn and spend the warm months, according to the agency. But no one knows why they jump, Southwest Florida Online reports.