Florent's Guide To The

South Florida Reefs

Atlantic Rock-Boring Urchin
Echinometra lucunter
Atlantic Rock-Boring Urchin
Also known as: Red Rock Urchin
Category: Sea Urchins
Scientific Name: Echinometra lucunter
Size: 1 to 3 in. (2.5 to 7 cm)  
Distribution: Caribbean, Bahamas, Florida, Bermuda
Echinodermata (Phylum)
└Echinozoa (Subphylum)
 └Echinoidea (Class)
  └Euechinoidea (Subclass)
   └Camarodonta (Order)
    └Echinometridae (Family)
     └Echinometra (Genus)
      └E. lucunter (Species)

Echinoderms
Sea Urchins

Atlantic Rock-Boring Urchin

Reef Urchin

Variegated Urchin

Jewel Urchin

West Indian Sea Egg

Atlantic Long-Spined Urchin



All Photographs
© 2026 Florent Charpin