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Komodo National Park sits within the Coral Triangle, the global epicentre of marine biodiversity, and its coral reefs are among the healthiest and most diverse in Indonesia. Here is what makes Komodo's reefs exceptional.
| Metric | Komodo | Comparison |
|---|---|---|
| Reef-building coral species | 260+ | Great Barrier Reef: ~400; Caribbean: ~60 |
| Sponge species | 70+ | Exceptional for a park of this size |
| Total marine area protected | ~147,000 hectares (67% of park) | One of Indonesia's largest marine protected areas |
North Komodo features pristine hard coral gardens with massive table corals, branching staghorn corals, and enormous gorgonian sea fans on deeper walls. Sites like Crystal Rock and Gili Lawa Laut showcase some of the healthiest hard coral coverage in the park.
Central Komodo offers the most diverse coral assemblages. Batu Bolong and Tatawa Besar display dense coverage of both hard and soft corals, with colourful sponges and tunicates filling every gap. The China Shop section of The Cauldron is famous for its delicate staghorn coral garden.
South Komodo is dominated by nutrient-fed soft corals, massive barrel sponges, sea whips, and black coral trees. The cold, nutrient-rich upwellings support extraordinary invertebrate life on every surface — tunicates, hydroids, crinoids, and colonial anemones create a kaleidoscopic landscape.
Komodo's corals undergo mass spawning events, typically in September, synchronised with full moon tides. During spawning, corals release clouds of eggs and sperm into the water column, creating an underwater "snowstorm." This is a bucket-list event for dedicated marine life enthusiasts and underwater photographers.
Despite their health, Komodo's reefs face ongoing threats from climate change (coral bleaching events), illegal fishing, anchor damage, and diver contact. Conservation measures include the DOCK mooring buoy system (preventing anchor damage), strict no-touching rules, the ban on dive gloves, and the 2026 daily visitor cap to reduce pressure on popular sites.
Diver responsibility: Maintaining excellent buoyancy control is the single most important thing you can do to protect Komodo's reefs. Avoid touching, standing on, or kneeling on coral — even dead-looking substrate may be alive.