12 muck dive sites in Malaysia.
By area: Borneo Island (7), Kalimantan Timur (4) and Riau (1).
Recorded maximum depths range from 2 m to 40 m (4 of 12 sites have a depth).
By level: 1 beginner and 10 advanced.
Species confirmed at these sites by diver sightings (three or more independent divers) or by two or more independent sources, with the number of sites each is confirmed at.