Carcharhinus albimarginatus (Rüppell, 1837) Silvertip Shark Carcharias albimarginatus Rüppell, 1837: 164, pl. 18 (fig. 1). Lectotype: SMF 3582 (dry and mounted); lectotype designation by Rosenblatt & Baldwin (1958). Type locality: Ras Muhammad, Sinai, Egypt, Red Sea. Local synonymy: Carcharhinus albolimbatus— Filewood, 1973: 7 (PNG). Carcharhinus albimarginatus — Kailola, 1987: 15 (Basilisk Passage, Port Moresby; Orangerie Bay; Goodenough Island); Allen, 1998: 67 (Milne Bay); Allen et al., 2003: 112 (Milne Bay); Hamilton et al., 2009: 73 (northern Bismarck Archipelago); White et al., 2018: 126, figs (PNG). PNG voucher material: (1 spec.) KFRS E.048, Cape Saint George, New Ireland, May 1965. Remarks: Observed by divers in a number ...