Florent's Guide To The

Tropical Reefs

Sea-Purple Thorunna
Thorunna halourga
Sea-Purple Thorunna
Category: Dorid Nudibranchs
Scientific Name: Thorunna halourga
Size: up to 1 in. (2.5 cm)  
Distribution: West Pacific, Indonesia, Great Barrier Reef
Mollusca (Phylum)
└Gastropoda (Class)
 └Heterobranchia (Subclass)
  └Euthyneura (Infraclass)
   └Nudibranchia (Order)
    └Doridina (Suborder)
     └Chromodorididae (Family)
      └Thorunna (Genus)















































































































All Photographs
© 2025 Florent Charpin