September and October are the months when coral spawning is expected each
year on Bonaire. Coral spawning, or the cultivation of the corals, is
something unique and a "must-see" for every diver. This spectacular event
takes place on Bonaire when several coral species (but also other organisms)
release secretions into the water column at the same time under the influence
of environmental circumstances such as water temperature and a very special
position of the moon.