Hemiscyllium dudgeonae, n. sp., male paratype, UPNG E0534, 610 mm TL, Nubwageta, Milne Bay Province, Papua New Guinea at 2 m. M.V. Erdmann Imagine wading through a shallow tropical reef, small fish darting between coral heads. Crabs scuttle across the seafloor as water ripples around your feet. Then something unusual catches your eye. A shark, no longer than your arm, appears to be walking across the reef on its fins. It sounds like a fantasy, right? A shark, walking?