Tetraodon barbatus Pao barbatus is a species of freshwater pufferfish found in the Mekong River in southeast Asia.

[1] It is closely related to Tetraodon (Pao) cambodgiensis and was generally considered a junior synonym of that species until 2013.

[1] In the same year its species group was moved from the genus Tetraodon to Pao.

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