Florent's Guide To The

Tropical Pacific Reefs

Slender Roboastra
Roboastra gracilis
Slender Roboastra
Category: Dorid Nudibranchs
Scientific Name: Roboastra gracilis
Size: Up to 1.25 in. (3 cm)  
Depth: 15-200 ft. (5-60 m)
Distribution: Indo-West Pacific, Great Barrier Reef
Mollusca (Phylum)
└Gastropoda (Class)
 └Heterobranchia (Subclass)
  └Euthyneura (Infraclass)
   └Nudibranchia (Order)
    └Doridina (Suborder)
     └Polyceridae (Family)
      └Roboastra (Genus)










































































































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© 2025 Florent Charpin