When a diver thinks about Indonesia, one of the most immediate association he will make in his mind is with ‘’Biodiversity’’; this part of the world, in fact, is extremely famous for his great biodiversity: thousands of corals and fish populate this region. One of the most famous place in Indonesia, with no doubt, is Raja Ampat. Raja Ampat is the western point of the biggest island in the world, the New Guinea and it is politically divided in two parts: the south part is the ‘’Papua New Guinea’’ and it is an independent country; the north part is ‘’Papua’’ or ‘’Raja Ampat’’. Raja Ampat (literally ‘’the 4 kings’’) is divided into seven different protected marine areas. Certainly the underwater share of this great place is the better known because it is considered the epicenter of the marine biodiversity! Just to give some numbers characterizing this place: 1,628 species of reef fish in the Bird’s Head Seascape 1,430 species of reef fish in Raja Ampat 42 species of endemic reef fish found only in the Birds Head Seascape 603 species of hard coral recorded in the Bird’s Head Seascape 75% of all known coral species in the world 10 times…