Slate Pencil Sea Urchin
Eucidaris tribuloidesA beautiful urchin with thick blunt spines. the spines, unless newly grown or most often covered with various organisms and algae. They have a unique, 5 point, woven design on the top and 5 beak-like teeth on the underside. Average diameter including spines 5 inches. Look for them at most depths. They can be found in areas of rubble, sea grass beds and reefs. Often wedged between rocks and other recesses. Colors brown, tan, rust.
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_8566.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_6855.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_6369..jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_9675.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_9053.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_6177.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_5585.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_3855E.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_3849.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_3116a.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_3108.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_3098.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_3084b.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_3084a.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_3084.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_5680.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_5912.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_1458.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_3070.jpg)
![Slate Pencil Sea Urchin - Eucidaris tribuloides](picture_library/creatures/echinoderms/slate-pencil-urchin_1741.jpg)