Red Sea, Egypt -- A feeding "giant clam." © Rick Collier / RickCollier.com........Egypt; "Red Sea"; vacation; travel; destination; underwater; uw; "u/w"; scuba; "scuba dive"; "scuba diving"; dive; diving; coral; reef; "coral reef"; "dive site"; Tiran; "Tiran straits"; "straits of Tiran"; "Ras Nasrani"; Nasrani; "Nasrani point"; clam; "giant clam"