Location: Grand Cayman
Florent's Guide To The
South Florida Reefs
Slate Pencil Urchin
Eucidaris tribuloides
Scientific Name: Eucidaris tribuloides
Category: Pencil Urchins
Size: 1 to 2 in. (2 to 5 cm)
Depth: 3-160 ft. (1-50 m)
Distribution: Caribbean, Bahamas, Florida, Brazil
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© 2026 Florent Charpin