As of today, out of season, returns ~April. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Each year the reef-building corals of Tubbataha Reefs Natural Park release synchronized gamete bundles in a mass spawning event.
The phenomenon involves many scleractinian species and is tied to lunar phase and seasonal warming, producing brief nights of intense reproductive activity across the atolls.
Where to see it
A taste of where to see it. The full map, exact coordinates and the best timing for each spot live in the app.
| Viewing spots |
|---|
| North Atoll - Outer Reef Walls |
| South Atoll - Coral Gardens and Channels |
| + 1 more spot, with exact coordinates and timing, in the app → |
This is the short version
This page shows a taste. The app has the full list of where to see this, the exact timing, and live conditions for 1,000+ natural phenomena worldwide, so you know the moment one is genuinely worth the trip.