There are at least 18 different species of marine mammals in Raja Ampat and another 3 recorded in adjacent waters:

• Blue Whale (Balaenoptera musculus)
• Bryde’s Whale (Balaenoptera edeni)
• Omura’s whale (Balaenoptera omurai)
• Sperm whale (Physeter macrocephalus)
• Pygmy sperm whale (Kogia breviceps)
• Blainville’s Beaked Whale (Mesoplodon densirostris)
• Killer whale (Orcinus orca)
• False killer whale (Pseudorca crassidens)
• Pygmy killer whale (Feresa attenuata)
• Short-finned pilot whale (Globicephala macrorhynchus)
• Risso’s dolphin (Grampus griseus)
• Long-beaked spinner dolphins (Stenella longirostris)
• Dwarf spinner dolphin (Stenella longirostris roseiventris)
• Pantropical spotted dolphin (Stenella attenuata)
• Indo-pacific Bottlenose dolphins (Tursiops aduncus)
• Common Bottlenose dolphin (Tursiops truncatus)
• Fraser’s dolphin (Lagenodelphis hosei)
• Rough-toothed Dolphin (Steno bredanensis)
• Humpback dolphin (Sousa chinensis)
• Dugong (Dugong dugon)