Purple Sea Urchin

1. Stalattiti CaveAlghero, Sardinia, ItalyCave · Cavern · Reef · WallEstimated: Intermediate+18 mBest Jun–Sep · estimated3 mm
2. Fantasmi CaveAlghero, Sardinia, ItalyCave · Reef · WallEstimated: Intermediate+15 mBest Jun–Sep · estimated3 mm
3. Pozzo CaveAlghero, Sardinia, ItalyCave · Cavern · Reef · WallEstimated: Intermediate+17 mBest Jun–Sep · estimated3 mm
4. The Arches of Cala OliveraCap Martinet, Balearic Islands, SpainCave · WallEstimated: Intermediate+22 mBest Jun–Oct · estimated3 mm
5. PIANOSA - Area marina protettaCampo nell'Elba, Elba Island, ItalyCave · Reef · WallEstimated: Intermediate+30 mBest Jun–Sep · estimated3 mm
6. Grotta TotòUstica, Sicily, ItalyCaveEstimated: Intermediate+18 mBest Jun–Sep · estimated3 mm
7. Volcano bubblesMandráki, Aegean Islands, GreeceReefEstimated: Advanced+40 mBest May–Oct · estimated3 mm
8. Veril Chico JandiaCosta Calma, Canary Islands, SpainReef · WallEstimated: Advanced+40 mBest Aug–Nov · estimated5 mm
9. Playa FosilMont-roig del Camp, Catalonia, SpainReefEstimated: Intermediate+19 mBest Jun–Sep · estimated3 mm
10. Alcala ReefPlaya de San Juan, Canary Islands, SpainPinnacle · Reef · WallEstimated: Beginner-friendly14 mBest Aug–Nov · estimated3 mm
11. El AvionLa Matanza de Acentejo, Canary Islands, SpainWreckEstimated: Advanced+40 mBest Aug–Nov · estimated3 mm
12. GuimarGüimar, Canary Islands, SpainReefEstimated: Beginner-friendly18 mBest Aug–Nov · estimated3 mm
13. Central ElectricaCandelaria, Canary Islands, SpainReefEstimated: Beginner-friendly18 mBest Aug–Nov · estimated3 mm
14. AñazaSanta Cruz de Tenerife, Canary Islands, SpainReefEstimated: Beginner-friendly18 mBest Aug–Nov · estimated3 mm
15. La NeaCandelaria, Canary Islands, SpainReef · WallEstimated: Intermediate+30 mBest Aug–Nov · estimated3 mm
16. BocacangrejoCandelaria, Canary Islands, SpainWallEstimated: Beginner-friendly18 mBest Aug–Nov · estimated3 mm
17. Pali cornerMandráki, Aegean Islands, GreeceReefEstimated: Advanced+35 mBest May–Oct · estimated3 mm
18. Kateros reefMandráki, Aegean Islands, GreeceReefEstimated: Advanced+40 mBest May–Oct · estimated3 mm
19. Kaloutsi reefMandráki, Aegean Islands, GreeceReefEstimated: Intermediate+30 mBest May–Oct · estimated3 mm
20. Guixl'Estartit, Catalonia, SpainPinnacle · ReefEstimated: Intermediate+20 mBest Jun–Sep · estimated5 mm
21. L'Embarcador del Francèsl'Estartit, Catalonia, SpainReef · WallEstimated: Intermediate+20 mBest Jun–Sep · estimated5 mm
22. Espigon wela Ala Barceloneta, Catalonia, SpainReef · WallEstimated: Beginner-friendly18 mBest Jun–Sep · estimated3 mm
23. Le AragosteQuercianella, Tuscany Umbria, ItalyReef · WallEstimated: Advanced+48 mBest Jun–Sep · estimated3 mm
24. AcuarioPlaya de San Juan, Canary Islands, SpainCave · ReefEstimated: Intermediate+20 mBest Aug–Nov · estimated3 mm

Sources: Species occurrences: OBIS (CC BY 4.0), GBIF.org