Florent's Guide To The Florida, Bahamas and

Caribbean Reefs

Circle-Marked Brittle Star
Ophioderma cinereum
Circle-Marked Brittle Star
Also known as: Chocolate Brittle Star
Category: Brittle Stars
Scientific Name: Ophioderma cinereum
Synonyms: Ophioderma cinerea
Size: Up to 6 in. (15 cm)  
Depth: 10-80 ft. (3-25 m)
Distribution: Caribbean, Bahamas, Florida
Echinodermata (Phylum)
└Asterozoa (Subphylum)
 └Ophiuroidea (Class)
  └Ophintegrida (Superorder)
   └Ophiacanthida (Order)
    └Ophiodermatidae (Family)
     └Ophioderma (Genus)
      └O. cinereum (Species)
WoRMS ID: 245142🔗
iNaturalist ID: 255662🔗

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© 2026 Florent Charpin