Ona Carbonell is a world champion and Olympic medalist in synchronized swimming . In the team format that consists of eight swimmers -- one of the two Olympic disciplines , while there are seven formats at the world championships -- Carbonell and company are aided by underwater speakers . In Catalan , Ona means `` wave '' and carbonel means'carbon' Comment: When she is performing , Carbonell considers herself a `` mermaid '' Russia dominates the sport , winning all seven golds at the 2013 world championships .
Ona Carbonell is a world champion and Olympic medalist in synchronized swimming . In Catalan , Ona means `` wave '' and carbonel means'carbon' Comment: When she is performing , Carbonell considers herself a `` mermaid '' Russia dominates the sport , winning all seven golds at the 2013 world championships .