Green Urchin

1. Espigon wela Ala Barceloneta, Catalonia, SpainReef · WallEstimated: Beginner-friendly18 mBest Jun–Sep · estimated3 mm
2. Sa FerraduraPorto Cristo, Balearic Islands, SpainWallEstimated: Beginner-friendly18 mBest Jun–Oct · estimated3 mm
3. Santa AnnaLloret de Mar, Catalonia, SpainPinnacleEstimated: Advanced+36 mBest Jun–Sep · estimated3 mm
4. Las AgujasSantander, Cantabria, SpainDrift · PinnacleEstimated: Intermediate+18 mBest Jun–Sep · estimated5 mm
5. Pecio SkotlandSantander, Cantabria, SpainWreckEstimated: Advanced+45 mBest Jun–Sep · estimated5 mm
6. Scapa Flow KolnStromness, Orkney Islands, United KingdomAdvanced+20 m–36 mBest Jun–Sep · estimated7 mm / dry
7. DijkvalHaamstede, Zeeland, The NetherlandsShoreEstimated: Intermediate+25 mBest Jun–Oct · estimated5 mm
8. Scapa Flow MarkgrafStromness, Orkney Islands, United KingdomAdvanced+24 m–45 mBest Jun–Sep · estimated7 mm / dry
9. Marbellael Poblenou, Catalonia, SpainShoreEstimated: Beginner-friendly15 mBest Jun–Sep · estimated3 mm
10. KlintebjergetHøjby, Capital Region Of Denmark, DenmarkShoreEstimated: Beginner-friendly8 mBest May–Sep · estimated5 mm
11. TisvildelejeTisvilde, Capital Region Of Denmark, DenmarkShoreEstimated: Beginner-friendly8 mBest May–Sep · estimated5 mm
12. Lundy Island Knoll PinsBideford, Devon, United KingdomIntermediate+8 m–30 mBest Jun–Oct · estimated7 mm / dry
13. TogoLa Croix-Valmer, Var, FranceWreckBest Jun–Sep · estimated5 mm
14. Scharendijke huisrifScharendijke, Zeeland, The NetherlandsShore · Reef · WallBest Jun–Oct · estimated5 mm
15. HMS MinionBrighton, West Sussex, United KingdomWreckAdvanced+Best Jun–Oct · estimated7 mm / dry
16. HMS PineBognor Regis, West Sussex, United KingdomWreckAdvanced+Best Jun–Oct · estimated7 mm / dry
17. Alaunia WreckWorthing, West Sussex, United KingdomWreckAdvanced+Best Jun–Oct · estimated7 mm / dry
18. HMS Ariadne WreckWorthing, West Sussex, United KingdomWreckAdvanced+Best Jun–Oct · estimated7 mm / dry
19. HMS KeryadoBrighton, Brighton and Hove, United KingdomWreckAdvanced+Best Jun–Oct · estimated7 mm / dry
20. Oceana WreckWorthing, West Sussex, United KingdomWreckIntermediate+Best Jun–Oct · estimated7 mm / dry
21. MekjervågenFlekkefjord, Vest-Agder, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry
22. KatterauvaFlekkefjord, Vest-Agder, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry
23. AustgavlenFlekkefjord, Vest-Agder, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry
24. Indre KalvenFlekkefjord, Vest-Agder, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry

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