Florent's Guide To The

Hawaii Reefs

Red Slate Pencil Urchin
Red Slate Pencil Urchin
Scientific Name: Heterocentrotus mamillatus
Class: Echinoidea
Family: Echinometridae
Category: Sea Urchins
Size: 5 to 10 in. (12 to 25 cm)  
Depth: 3-160 ft. (1-50 m)
Distribution: Indo-Pacific, Hawaii


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© 2023 Florent Charpin