11. The bay has clear blue water, an excellent coral fringing reef , ideal for snorkelling. 12. These mostly have shallow fringing reefs where corals proliferate and a diverse invertebrate fauna. 13. The very big corals seen today surrounding the lagoons are originally the fringing reefs . 14. Its fringing reef has many sandbanks and small motu. 15. The island is surrounded by a narrow fringing reef . 16. Its shape is roughly square and its lagoon is totally enclosed by the fringing reef . 17. The islands are surrounded by fringing reef which is broadest on the eastern side of Kuria. 18. Cap Wabao on Mar? showing the rough coral rock ( foreground ) and narrow fringing reef . 19. The fringing reefs may pose a maritime hazard. 20. A large fringing reef surrounds the island forming a lagoon within which lie eighteen small islets.