Florent's Guide To The

Hawaii Reefs

Brown-Lined Paperbubble
Hydatina physis
Brown-Lined Paperbubble
Category: Bubble Snails
Scientific Name: Hydatina physis
Size: Up to 2.25 in. (6 cm)  
Depth: 3-20 ft. (1-6 m)
Distribution: Circumtropical
Mollusca (Phylum)
└Gastropoda (Class)
 └Heterobranchia (Subclass)
  └Euthyneura (Infraclass)
   └Acteonimorpha (Subterclass)
    └Aplustridae (Family)
     └Hydatina (Genus)
      └H. physis (Species)

Sea Slugs
Bubble Snails

Brown-Lined Paperbubble



All Photographs
© 2025 Florent Charpin