As of today, out of season, returns ~July. Earth Exhibit tracks the live conditions and flags it the moment it is on.
Certain brittle star species on Bonaire's fringing reefs gather in high densities and release eggs and sperm in synchrony around full moon nights.
These brief, lunar-synchronized events can involve hundreds to thousands of individuals at a single site and are best observed during carefully planned night dives or snorkels.
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 |
|---|
| Klein Bonaire Leeward Reefs (boat access) |
| 1000 Steps Shore Dive |
| + 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.