raja ampat snorkeling cruise Ampat features among the wealthiest ecosystems in the world, with scientists estimating that it contains 75% of coral species recognized to man. These reefs offer as a property to around 1,300 species of fish, which range from vibrant reef residents like angelfish and butterflyfish to stunning juvenile manta rays. Snorkelers will easily find themselves confused by the kaleidoscope of colors, as flourishing corals provide the right period for underwater life to thrive.