The Mississippi Aquarium in Gulfport, Mississippi, opened on August 29, 2020. It features both indoor and outdoor habitats, housing over 200 species. Notable acrylic panels include a main habitat large viewing window at 32×25 feet (16 inches thick, over 40 tons) and a 360-degree walking tunnel (30 feet long, 9 feet in diameter, over 13.5 tons), suspended in the middle of the tank.