Heart Urchin

1. Nusfjord WallRamberg, Norway Lofoten Islands, NorwayBoat · WallIntermediate+20 mBest Jun–Sep · estimated7 mm / dry
2. MøkkalassaSætre, Buskerud, NorwayBoatIntermediate+25 mBest May–Sep · estimated5 mm
3. VoidokiliaPýlos, Peloponnese, GreeceShore · ReefEstimated: Beginner-friendly16 mBest Jun–Oct · estimated3 mm
4. MidsommarvikenHönö, Västra Götaland, SwedenBoatBeginner-friendly20 mBest May–Sep · estimated5 mm
5. Marina af HönöHönö, Västra Götaland, SwedenWreckEstimated: Intermediate+30 mBest May–Sep · estimated5 mm
6. LekternBørsa, Sør-Trøndelag, NorwayBeginner-friendlyBest Jun–Sep · estimated7 mm / dry
7. NykoralleneBørsa, Sør-Trøndelag, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry
8. Ytre KalvenFlekkefjord, Vest-Agder, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry
9. MekjervågenFlekkefjord, Vest-Agder, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry
10. KatterauvaFlekkefjord, Vest-Agder, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry
11. AustgavlenFlekkefjord, Vest-Agder, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry
12. Indre KalvenFlekkefjord, Vest-Agder, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry
13. KatedraleFlekkefjord, Vest-Agder, NorwayBeginner-friendlyBest Jun–Sep · estimated7 mm / dry
14. GudrunFlekkefjord, Vest-Agder, NorwayWreckBest Jun–Sep · estimated7 mm / dry
15. HundenFlekkefjord, Vest-Agder, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry
16. NiemanHönö, Västra Götaland, SwedenWreckBest May–Sep · estimated5 mm
17. Oslofjorden Dykkesenter AsLysaker, Oslo, NorwayBeginner-friendlyBest May–Sep · estimated7 mm / dry
18. StøytlandFlekkefjord, Vest-Agder, NorwayBest Jun–Sep · estimated7 mm / dry
19. BlaafjeldKolvereid, Nord-Trøndelag, NorwayIntermediate+Best Jun–Sep · estimated7 mm / dry
20. KrakendiveTossa de Mar, Girona, SpainBest Jun–Sep · estimated3 mm
21. Trubaduren fyrStyrsö, Västra Götaland, SwedenBest May–Sep · estimated5 mm

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