Acropora hyacinthus
Encounter Rate
Spotting Difficulty
Best Season
Year-round
Depth Range
2-25 meters
Table corals are among the most architecturally impressive reef-builders in Komodo National Park, forming massive flat-topped colonies that extend horizontally from the reef slope like natural shelving. Individual table coral colonies can reach diameters of over 3 metres, creating shaded micro-habitats beneath their broad canopies that shelter countless fish and invertebrates. These hard corals grow by extending their branches outward in a flat plane to maximise their exposure to sunlight, which fuels the photosynthesis of their symbiotic zooxanthellae algae. In Komodo, healthy table coral fields are a signature feature of sheltered reef slopes and upper walls, particularly at sites with clear water and moderate current. The space beneath large table corals is a busy neighbourhood — schools of damselfish hover above, soldierfish and squirrelfish hide in the shadows below, and hawkfish perch on the upper surface surveying their territory. Table corals grow slowly but steadily, and a colony several metres across may be decades old, making each one an irreplaceable piece of living reef heritage.
Average Size
0.5-1.5m colony diameter
Size Range
20cm-3m colony diameter
Maximum Size
3m colony diameter
Derives primary nutrition from photosynthesis by symbiotic zooxanthellae algae. Supplements with zooplankton captured by polyps that extend at night.
Table corals are among the most architecturally impressive reef-builders in Komodo National Park, forming massive flat-topped colonies that extend horizontally from the reef slope like natural shelving. Individual table coral colonies can reach diameters of over 3 metres, creating shaded micro-habitats beneath their broad canopies that shelter countless fish and invertebrates. These hard corals grow by extending their branches outward in a flat plane to maximise their exposure to sunlight, which fuels the photosynthesis of their symbiotic zooxanthellae algae. In Komodo, healthy table coral fields are a signature feature of sheltered reef slopes and upper walls, particularly at sites with clear water and moderate current. The space beneath large table corals is a busy neighbourhood — schools of damselfish hover above, soldierfish and squirrelfish hide in the shadows below, and hawkfish perch on the upper surface surveying their territory. Table corals grow slowly but steadily, and a colony several metres across may be decades old, making each one an irreplaceable piece of living reef heritage.
This species plays an important role in the marine ecosystem of Komodo National Park. Responsible diving practices help protect these animals and their habitat for future generations.
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They are keystone habitat structures. A single large table coral can shelter dozens of fish species and hundreds of invertebrates beneath its canopy. Losing a large table coral colony eliminates habitat that took decades to build.
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