Pencil Urchin Eucidaris tribuloides - Medium
size may vary
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Our facinating urchin will make an interesting addition to your saltwater tank especially a nano tank. They are about 2 inch to 3 inches in diameter. It has blunt spines. Pencil Urchins live in the rocks during the day and are active at night. They eat and do well on standard frozen fish foods. They require typical saltwater aquarium salinity and temperature.
Eucidaris species are found in the Caribbean and Indo-Pacific.