Acknowledgements
The author thanks General Saad Abu Rida, Governor of the Red Sea Governorate of Egypt, for providing facilities and support for field work, Professor Moustafa Foada, Director of Nature Conservation Sector, Egyptian Environmental Affairs Agency, for providing data and information about the Red Sea protectorates, and Professor Mohamed Kassas of Cairo University and Professor Moustafa Saleh of Al Azhar University for providing valuable information and suggestions.