Red-Margined Glossodoris

Red-Margined Glossodoris Red-Margined Glossodoris
Red-Margined Glossodoris / White Margin Sea Slug

Credit: Pablo Mallegol Dahlgren

Red-Margined Glossodoris Glossodoris rufomarginata

The Red-Margin / Margined Glossodoris is also known as the White-Margin Sea Slug (Glossodoris rufomarginata). It is found in tropical waters from Eastern Africa to Hawaii, across the Indin Ocean and west Pacific.

Scientific Rank
Mollusca (Mollusks / Molluscs)
Order: Nudibranchia (Nudibranchs)
Family: Chromodorididae (Chromodorididae)
Genus: Glossodoris (Glossodoris)
Species: Glossodoris rufomarginata
Average Size: 3.5 centimetres

Red-Margined Glossodoris - Where Can You Find Them When Scuba diving?


  • Similan Islands
  • Richelieu Rock
  • Hin Daeng
  • Koh Haa
  • Phuket
  • Koh Phi Phi
  • Surin Islands
  • Hin Muang
  • Koh Tachai
  • Boonsung Wreck


  • Ari Atoll
  • Addu Atoll
  • Male Atoll
  • Vaavu Atoll
  • Meemu Atoll
  • Rasdhoo Atoll
  • Thaa Atoll
  • Lhaviyani Atoll
  • Baa Atoll
  • Noonu Atoll
  • Raa Atoll


  • Komodo
  • Raja Ampat
  • Lombok
  • Bali
  • Lembeh
  • Ambon
  • Banda
  • Cenderawasih Bay
  • Misool
  • Forgotten Islands
  • Maumere


  • Mergui Archipelago


Data not yet available


  • The Brothers
  • Elphinstone
  • Thistlegorm Wreck
  • Daedalus
  • Ras Mohamed
  • Abu Nuhas
  • St. John's
  • Abu Galawa Soraya
  • Gubal
  • Zabargad Island
  • Rocky Island

Have you ever seen Red-Margined Glossodoris when diving?
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