Pseudo-atoll Pseudo-atoll A pseudo-atoll, like an atoll, is an island that encircles a lagoon, either partially or completely. A pseudo-atoll differs from an atoll as established by several authorities, such as how it is formed (not by subsidence, nor by coral). It is considered a preferable term to "near-atoll". There is a need for rigorous definition of "pseudo-atoll" before it can be accepted as a general term. Alexander Agassiz gave the term pseudo-atoll to "any ring-shaped reefs not formed as a result of subsidence". while Norman D. Newell and J. Keith Rigby called such reefs non-coral. and "We conclude that almost-atoll
Southern Maalhosmadulu Atoll resorts. Thulhaadhoo Island is traditionally well known for its lacquerwork handicrafts. Maalhosmadulhu Atoll is also considered as a good example of the rich biodiversity found in the Maldives, including large mangroves and a unique diversity of fauna, such as the benthic fauna. Furthermore, the ring-shaped reef forms known as "faru" in the local language is a reef structure which is unique to the Maldives. The southernmost uninhabited island of Olhugiri in the Baa atoll lies 13 km north of Goifulhafehendhu Atoll. Olhugiri is well known for its unique natural vegetation and for providing two of the only perching sites for