
Azores from Sentinel-2, 12 August 2024 · Contains modified Copernicus Sentinel data 2024; depth contours approximate (NOAA ETOPO 2022)
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Citizen science
Turn every dive into ocean science
The ocean covers 70% of the planet but is the least-recorded place on Earth. Scientists can't be on every reef. Divers are.
- Free to join
- Works with your dive computer
What happens to one sighting

- You log itWhat you saw, from your dive computer file or by hand.
- We check itPinned to the dive site and matched to a scientific name.
- Scientists can use itKept with its date, depth and place, in the format the big open species databases like GBIF use.
What scientists need, and how you help
- More places
Most ocean records come from a few coasts. Log every dive, even quiet sites.
- What wasn't there
Full dive logs show when a species goes missing. Log every animal, not just the highlights.
- Same reefs, every year
Change only shows up over years. Keep logging your home reef.
- Names they can trust
Lookalike species trip up records. Tag animals and add a photo.