Florent's Guide To The

Tropical Reefs

Crystalline Sea Star Snail
Thyca crystallina
Crystalline Sea Star Snail
Category: Parasitic Snails
Scientific Name: Thyca crystallina
Size: Up to 1/8 in. (4 mm)  
Depth: 15-100 ft. (5-30 m)
Distribution: Indo-Pacific, Hawaii
Mollusca (Phylum) Mollusks
└Gastropoda (Class) Gastropods
 └Caenogastropoda (Subclass) Caenogastropods
  └Littorinimorpha (Order)
   └Eulimidae (Family) Parasitic Snails
    └Thyca (Genus)
     └T. crystallina (Species)
WoRMS ID: 221112🔗
iNaturalist ID: 1065456🔗

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© 2026 Florent Charpin