Gem Sea Slug
Goniobranchus geminus

8 dive sites
Manta Point , Gili TrawaganGili Trawangan, Gili Islands, IndonesiaBest Apr–Oct3 mm- Boonsung WreckTakua Pa, Thailand Similan Islands, ThailandBest Nov–Apr3 mm
Twin PeaksThailand Similan Islands, ThailandBest Nov–Apr3 mm
Elephant Head RockFeaturedThailand Similan Islands, ThailandBest Nov–Apr3 mm- Zanzibar Leven BankNungwi, Unguja North, TanzaniaBest May–Mar3 mm
- Hin Daeng Hin MuangRawai, Phuket, ThailandBest Nov–Apr3 mm
- Mafia Island Chole BayKilindoni, Pwani, TanzaniaGood year-round3 mm
Captain MuddyNungwi, Unguja North, TanzaniaBest May–Mar3 mm
Sources: Species occurrences: OBIS (CC BY 4.0), GBIF.org