Manta Ray is one of the largest rays in its family. Reef Manta usually will be around shallow reef water with habitat around the coral reef and fishes, which makes South Ari Atoll is the best place for them to hangout. Average size of reef manta ray from 3m to 4m, and they are friendly marine life which they often come and swim around divers. South Ari Atoll is famous for manta ray to be around the area.