You are using an outdated browser. Please upgrade your browser to improve your experience.

Pencil Urchin

Slate-pencil sea urchin

Eucidaris tribuloides

Today's Research for Tomorrow's Oceans

Come visit me at Mote!

Mote SEA

Support Mote Animals

Fun Facts

Slate-pencil sea urchins are nocturnal feeders, meaning they hunt at night for their food.

Species Type:

Invertebrates

Common Name(s):

Slate-pencil sea urchin

Size:

Slate-pencil sea urchin grow to a max diameter of 5 inches (13 centimeters).

Diet:

These urchins eat algae, coral, sponges, turtle grass and aquatic invertebrates.

Range & Habitat:

Throughout the Caribbean Sea and Atlantic Ocean, the Slate-pencil sea urchin lives in benthic (bottom) habitats.

Details:

These urchins are orange-red with pencil-like spines all over. They use these spines to defend themselves, move around and anchor on rocks and coral. At night, they feed on algae and other organic matter.