Black Sea Urchin

1. Black WaterNidhríon, Ionian Islands, GreeceReef · WallEstimated: Intermediate+30 mBest Jun–Oct · estimated · est.3 mm
2. UllastresBegur, Catalonia, SpainReef · WallEstimated: Intermediate+30 mBest Jun–Sep · estimated · est.3 mm
3. Six Ship Wrecks In KsamilKsamil, Vlorë, AlbaniaWreckEstimated: Intermediate+25 mBest Jun–Sep · estimated · est.3 mm
4. Torre dell'UsciereSan Vito Lo Capo, Sicily, ItalyReefEstimated: Intermediate+28 mBest Jun–Sep · estimated · est.3 mm
5. Agios NikolaosPálairos, Ionian Islands, GreeceReef · WallEstimated: Advanced+40 mBest Jun–Oct · estimated · est.3 mm
6. Alcala ReefPlaya de San Juan, Canary Islands, SpainPinnacle · Reef · WallEstimated: Beginner-friendly14 mBest Aug–Nov · estimated · est.3 mm
7. Skeleton - Sparti IslandNidhríon, Ionian Islands, GreeceReef · WallEstimated: Intermediate+30 mBest Jun–Oct · estimated · est.3 mm
8. El GaudiCiutadella, Balearic Islands, SpainCave · Drift · WallEstimated: Intermediate+18 mBest Jun–Sep · estimated · est.3 mm
9. Les 2 FreresCannes, South Of France, FranceWallEstimated: Advanced+40 mBest Jun–Sep · estimated · est.5 mm
10. Cave of PoseidonGázi, Crete, GreeceCaveEstimated: Intermediate+18 mBest May–Oct · estimated · est.3 mm
11. BrothersPálairos, Ionian Islands, GreeceReefEstimated: Advanced+40 mBest Jun–Oct · estimated · est.3 mm
12. La Cala del PeñonAguadulce, Andalusia, SpainWallEstimated: Beginner-friendly14 mBest Jun–Oct · estimated · est.3 mm
13. Boeing B-17 Flying FortressCalvi, Haute-Corse, FranceWreckEstimated: Intermediate+28 mBest Jun–Sep · estimated · est.3 mm
14. GuimarGüimar, Canary Islands, SpainReefEstimated: Beginner-friendly18 mBest Aug–Nov · estimated · est.3 mm
15. La Llosa (merolandia)Santa Pola, Valencian Community, SpainPinnacleEstimated: Intermediate+27 mBest Jun–Oct · estimated · est.3 mm
16. Los CovachosÁguilas, Murcia, SpainDrift · Pinnacle · Wall · WreckEstimated: Advanced+40 mBest Jun–Oct · estimated · est.3 mm
17. Pachia ammos buldersMandráki, Aegean Islands, GreeceReef · WallEstimated: Advanced+40 mBest May–Oct · estimated · est.3 mm
18. Tihani ShipwreckHerceg Novi, Budva 2, MontenegroWreckEstimated: Advanced+40 mBest Jun–Sep · estimated · est.3 mm
19. IsonzoVillasimius, Sardinia, ItalyWreckEstimated: Advanced+40 mBest Jun–Sep · estimated · est.3 mm
20. MalepassoSanta Cesarea Terme, Puglia, ItalyWallEstimated: Intermediate+30 mBest Jun–Sep · estimated · est.3 mm
21. Pelouzo IslandKalamákion, Ionian Islands, GreeceCavernEstimated: Beginner-friendly18 mBest Jun–Oct · estimated · est.3 mm
22. Greek ColumnsTaormina, Sicily, ItalyWallEstimated: Advanced+40 mBest Jun–Oct · estimated · est.3 mm
23. SiphoneTaormina, Sicily, ItalyWallEstimated: Intermediate+30 mBest Jun–Oct · estimated · est.3 mm
24. Es PallaretSant Antoni de Portmany, Balearic Islands, SpainReefEstimated: Intermediate+30 mBest Jun–Oct · estimated · est.3 mm

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