Florent's Guide To The Hawaiian, South Pacific and

Indo-Pacific Reefs

Rough-Spined Urchin
Chondrocidaris gigantea
Rough-Spined Urchin
Category: Pencil Urchins
Scientific Name: Chondrocidaris gigantea
Size: 5 to 10 in. (12 to 25 cm)  
Depth: 30-150 ft. (10-45 m)
Distribution: Hawaii, New Caledonia
Echinodermata (Phylum) Echinoderms
└Echinozoa (Subphylum) Sea Urchins and Sea Cucumbers
 └Echinoidea (Class) Sea Urchins
  └Cidaroidea (Subclass)
   └Cidaroida (Order) Pencil Urchins
    └Cidaridae (Family)
     └Chondrocidaris (Genus)
      └C. gigantea (Species)
WoRMS ID: 513175🔗
iNaturalist ID: 121676🔗

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© 2026 Florent Charpin