Dive4Diadema
LocalCosmos.org Tools
Investigate the disappearance of the sea urchin Diadema setosum
- Downloads
- 226+
- on Google Play
- Price
- Free
- No in-app purchases
- Updated
- Aug 27
- 2026 · v4.0.1
Screenshots
About Dive4Diadema
A mass extinction is taking place right now. The citizen science project Dive4Diadema is searching for the last of the diadem sea urchins in the Mediterranean and Red Sea. With your help we want to investigate the disappearance of the sea urchin Diadema setosum and document its presence or absence in the Mediterranean and Red Sea.
Join us and be part of the citizen science project Dive4Diadema!
Join us and be part of the citizen science project Dive4Diadema!
What’s new
Version 4.0.1 · Updated August 27, 2026
Support for new Android devices
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