Florent's Guide To The Florida, Bahamas &

Caribbean Reefs

Atlantic Long-Spined Urchin
Diadema antillarum

Atlantic Long-Spined Urchin - Diadema antillarum
Location: Bonaire

Scientific Name: Diadema antillarum
Category: Sea Urchins
Size: 4 to 8 in. (10 to 20 cm)  
Depth: 0-160 ft. (0-50 m)
Distribution: Caribbean, Bahamas, South Florida, Bermuda


 
 
 
 
 
 
 
 
 
 
 
 
 
 

All Photographs
© 2026 Florent Charpin