A Longspine squirrelfish (Holocentrus rufus) swims around a coral reef in Key West, Florida on July 14, 2023. The coral reef, the largest in the continental US, is considered a barrier reef and is around 350 miles (563.27 km) wide from the Dry Tortugas National Park to the St. Lucie Inlet in Martin County, Florida. (Photo by Joseph Prezioso/AFP Photo)
