Northern Sea Urchin

1. Yaculta BankCampbell River, British Columbia, CanadaBoat · Pinnacle · ReefIntermediate+18 mBest May–Sep · estimated7 mm / dry
2. Harding LedgeHull, New England, United StatesBoat · ReefIntermediate+18 mBest Jun–Sep · estimated5 mm
3. Inner BreakersManchester-by-the-Sea, New England, United StatesBoat · ReefIntermediate+14 mBest Jun–Sep · estimated5 mm
4. Lunts RockSalisbury, New England, United StatesBoat · ReefIntermediate+10 mBest Jun–Sep · estimated5 mm
5. Martin LedgeHull, New England, United StatesBoat · ReefIntermediate+18 mBest Jun–Sep · estimated5 mm
6. Middle GroundBeverly Cove, New England, United StatesBoat · ReefIntermediate+14 mBest Jun–Sep · estimated5 mm
7. Ruins of Old BreakwaterNewburyport, New England, United StatesBoat · ReefIntermediate+10 mBest Jun–Sep · estimated5 mm
8. Sow and PigsNewburyport, New England, United StatesBoat · ReefIntermediate+10 mBest Jun–Sep · estimated5 mm
9. Tewksbury RockHull, New England, United StatesBoat · ReefIntermediate+15 mBest Jun–Sep · estimated5 mm
10. Three and One-half Fathom LedgeHull, New England, United StatesBoat · WallIntermediate+26 mBest Jun–Sep · estimated5 mm
11. Utonia LedgeHull, New England, United StatesBoat · ReefIntermediate+18 mBest Jun–Sep · estimated5 mm
12. WandererNew Bedford, New England, United StatesBoat · WreckBeginner-friendly6 mBest Jun–Sep · estimated5 mm
13. Troot PoolSaint-Pierre, Newfoundland, Saint Pierre and MiquelonBoat · WreckIntermediate+25 mBest Jun–Aug · estimated7 mm / dry
14. Épave du TranspacificSaint-Pierre, Newfoundland, Saint Pierre and MiquelonShore · WreckIntermediate+10 mBest Jun–Aug · estimated7 mm / dry
15. Ballstad ReefGravdal, Norway Lofoten Islands, NorwayBoat · Reef · WallIntermediate+18 mBest Jun–Sep · estimated7 mm / dry
16. D/S General SuworowGravdal, Norway Lofoten Islands, NorwayBoat · WreckIntermediate+18 mBest Jun–Sep · estimated7 mm / dry
17. Henningsvær WallKabelvåg, Norway Lofoten Islands, NorwayBoat · WallAdvanced+28 mBest Jun–Sep · estimated7 mm / dry
18. Maelstrom WallReine, Norway Lofoten Islands, NorwayBoat · WallAdvanced+20 mBest Jun–Sep · estimated7 mm / dry
19. S.S. IlexWitless Bay, Newfoundland, CanadaShore · WreckIntermediate+5 mBest Jun–Aug · estimated7 mm / dry
20. SS KyleHarbour Grace, Newfoundland, CanadaShore · WreckIntermediate+6 mBest Jun–Aug · estimated7 mm / dry
21. American (Virginia) brig, name unknown (1824)Shearwater, Nova Scotia, CanadaBoat · WreckAdvanced+30 mBest Jun–Aug · estimated7 mm / dry
22. Basque ReefSt. Peter's, Nova Scotia, CanadaBoat · ReefAdvanced+36 mBest Jun–Aug · estimated5 mm
23. British tanker Kars (1942)Imperoyal, Nova Scotia, CanadaBoat · WreckAdvanced+28 mBest Jun–Aug · estimated7 mm / dry
24. Caribou ReefPictou, Nova Scotia, CanadaBoat · ReefIntermediate+24 mBest Jun–Aug · estimated5 mm

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