8731 Glaucostegus granulatus (Cuvier, 1829) Glaucostegidae Giant guitarfishes Rhinopristiformes Elasmobranchii Granulated guitarfish Indo-Pacific: range poorly defined; from the Persian/Arabian Gulf to India and Sri Lanka (with records from the Red Sea and Oman need confirmation); possibly to Indonesia, the Philippines, China, New Guinea and Australia. ISH 6-1961 1955 Rhinobatos granulatus