Data repository.xlsx

The Faanu Mudugau Blue Hole, located in the Ari Atoll (Maldives), is the only one so far discovered in the Indian Ocean and has several peculiarities. We provide for the first time a comprehensive study of the benthic foraminiferal assemblages recovered from a push core collected from the deepest part of the blue hole. Despite the acidic bottom conditions and an increase in hydrogen sulfide concentration, the benthic foraminifera of the Faanu Mudugau Blue Hole are well preserved and mostly unaltered. Sediment granulometry, the taphonomic characteristics of foraminiferal shells, and the physical chemical parameters of the water column are reported in this repository.