Upeneichthys lineatus, the blue-striped mullet, is a species of goatfish native to the Pacific coast of Australia. It occurs in sheltered areas over rocky and sandy substrates and can be found 5 to 100 metres (16 to 328 ft), though rarer below 40 metres (130 ft). This species can reach a length of 40 centimetres (16 in) FL. This species is commercially important.