 the rocas atoll () is the only atoll in the south atlantic ocean,{{citation | first = g. m. | last = amado-filho | coauthors = et al. | contribution = the mesophotic zone of the only south atlantic atoll is dominated byrhodolith beds | title = iv international rhodolith workshop | editor-first = julio | editor-last = aguirre | publisher = universidad de granada, facultad de ciencias | place = granada, spain | pages = 10â11 | date = 2012-09-17| 
Uninhabited_islands_of_Brazil World_Heritage_Sites_in_Brazil