The overturned pufferfish is a fish species belonging to the family Tetraodontidae in the order Tetraodontiformes, also known as the overturned pufferfish, stingray, or stingray. Short and extremely flattened, oval in shape; The body height is about 2/3 of the body length; The head is slightly short, extremely flattened, and nearly semi-circular; Blunt and round snout, slightly protruding snout tip; Eyes are small and slightly tall; The tail is very short and has no tail handle; Small mouth, front position; Body without scales; No lateral lines; The dorsal fin is short and extremely high; Mid position pectoral fin, very small, nearly circular; The anal fin is similar to the dorsal fin and is symmetrically positioned; The caudal fin is wide and short, with wavy grooves, and the posterior edge is connected to the dorsal and anal fins. The back of the body is gray brown, with silver gray on both sides, white on the belly, and most of the fins are gray brown.