Nudibranchs

1. SAS Good HopeSimon's Town, Western Cape, South AfricaBoat · Reef · WreckAdvanced+32 mBest Dec–Apr · estimated5 mm
2. Salem Express, wreckSafaga, Red Sea, EgyptBoat · WreckIntermediate+12 m–26 mBest May–Dec · estimated3 mm
3. SS ThistlegormSha'ab Ali, Red Sea, EgyptBoat · WreckAdvanced+15 m–30 mBest Jun–Oct3 mm
4. Elphinstone ReefMarsa Alam, Red Sea, EgyptBoat · Reef · WallIntermediate+15 m–40 mBest Mar–Nov3 mm
5. SipadanKobang, Sipadan, MalaysiaBoat · WallAdvanced+5 m–40 mGood year-round · estimated3 mm
6. SS President CoolidgeLuganville, VanuatuBoat · WreckAdvanced+21 m–70 mBest Jan–Mar3 mm
7. Tabarka (block ship)Stromness, Scapa Flow, United KingdomBoat · WreckAdvanced+15 mBest May–Sep7 mm / dry
8. Flying Sea CliffsWailea-Makena, Hawaii - Maui, United StatesBoat · WallBeginner-friendly40 mBest May–Sep3 mm
9. Photographer's ReefSimon's Town, Western Cape, South AfricaBoat · ReefBeginner-friendly16 mBest Dec–Apr · estimated5 mm
10. Omega ReefSimon's Town, Western Cape, South AfricaBoat · ReefIntermediate+20 mBest Dec–Apr · estimated5 mm
11. Curtiss C-46A-45-CU CommandoFreetown, BahamasBoat · WreckIntermediate+3 mBest Mar–Aug · estimated3 mm
12. Cod HoleGreat Barrier Reef, AustraliaBoat · Pinnacle · ReefBeginner-friendly18 mBest Apr–Dec · estimated3 mm
13. Manta Point , Gili TrawaganGili Trawangan, Gili Islands, IndonesiaBoat · Drift · ReefIntermediate+18 mBest Mar–Nov · estimated3 mm
14. The Big WallKijini, TanzaniaBoat · Reef · WallAdvanced+24 mGood year-round · estimated3 mm
15. Coral Garden, MenjanganWongsorejo, Bali, IndonesiaBoat · ReefBeginner-friendly19 mBest Apr–Nov · estimated3 mm
16. A-FrameSimon's Town, Cape Town, South AfricaBoat · Shore · ReefIntermediate+8 mBest Dec–Apr · estimated5 mm
17. Tatawa BesarKomodo, Komodo National Park, IndonesiaBoat · ReefBeginner-friendly19 mBest Mar–Nov · estimated3 mm
18. Mawan KomodoKomodo, Komodo National Park, IndonesiaBoat · DriftBeginner-friendly16 mBest Mar–Nov · estimated3 mm
19. Catalina AquariumLa Romana, Dominican RepublicBoat · ReefBeginner-friendly12 mBest Oct–Jul · estimated3 mm
20. Pink Beach KomodoKomodo, Komodo National Park, IndonesiaBoat · ReefBeginner-friendly20 mBest Mar–Nov · estimated3 mm
21. Gili Mimpang, CandidasaBedugul, Bali, IndonesiaBoat · ReefBeginner-friendly20 mBest Apr–Nov · estimated3 mm
22. Batu BelahKubu, Bali, IndonesiaBoat · Shore · ReefIntermediate+22 mBest Mar–Nov · estimated3 mm
23. Menjangan - Bat CaveWongsorejo, Bali, IndonesiaBoat · CaveIntermediate+22 mBest Apr–Nov · estimated3 mm
24. Siaba BesarKomodo, Komodo National Park, IndonesiaBoat · ReefBeginner-friendly17 mBest Mar–Nov · estimated3 mm

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