Teleostei >
Tetraodontiformes (Puffers and filefishes) >
Tetraodontidae (Puffers) > Tetraodontinae
Etymology: Pao: Origin of Pao is from the local name of pufferfishes in Thai and Lao languages, pla pao and pa pao, respectively, with pla and pa meaning fish, and pao meaning purse..