Pencil Urchin   Eucidaris tribuloides
  • Pencil Urchin   Eucidaris tribuloides

Pencil Urchin (Eucidaris tribuloides)


 We will do our best to accommodate size requests.

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Our fascinating urchin will make an interesting addition to your saltwater tank especially a nano tank. They are about 1 inch to 2.5 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.

This urchin is guaranteed for LIVE ARRIVAL ONLY.

  • Care Level
  • Tank Requirements
    24 gal minimum
  • Reef Safe
    With caution
  • Diet
  • Current Size
    Approx. 2-3.5 inches
  • Full-Size
    Approx. 6 inches
  • Water Parameters
    0ppm, 72-82F, pH 8.0-8.3
6 Items