The longcomb sawfish or green sawfish (Pristis zijsron) is a sawfish of the family Pristidae, found in tropical waters of the Indo-West Pacific oceans, from the Red Sea and east Africa to Papua New Guinea, north to southern China, and south to New South Wales, Australia. This critically endangered species can reach a length of up to 7.3 metres . Order: Pristiformes, Family: Pristidae, Species: Pristis zijsron Bleeker, 1851.