Florent's Guide To The Florida, Bahamas and

Caribbean Reefs

Jewel Urchin
Lytechinus williamsi
Jewel Urchin
Category: Sea Urchins
Scientific Name: Lytechinus williamsi
Size: Up to 2 in. (5 cm)  
Depth: 10-300 ft. (3-90 m)
Distribution: Florida, Caribbean
Echinodermata (Phylum)
└Echinozoa (Subphylum)
 └Echinoidea (Class)
  └Euechinoidea (Subclass)
   └Camarodonta (Order)
    └Toxopneustidae (Family)
     └Lytechinus (Genus)
      └L. williamsi (Species)
WoRMS ID: 422489🔗
iNaturalist ID: 293026🔗

All Photographs
© 2026 Florent Charpin