Long Spine Urchin (Diadema setosum)

Our fascinating urchin will make an interesting addition to your saltwater aquarium especially a nano aquarium. It has very long sharp black spines. The Long Spine Urchin live in the rocks during the day and are active at night. They eat and do well on algae and some standard frozen fish foods. They are sensitive to copper based medications.

This urchin is guaranteed for live arrival only.

• Care Level

  Intermediate

• Tank Requirements

  10 gal minimum

• Reef Safe

  Yes

• Temperament

  Peaceful

• Diet

  Omnivore

• Current Size

  Approx. 2-3 inches

• Full-Size

  Approx. 10 inches

• Water Parameters

  NO3 0ppm, 72-78F, pH 8.1-8.4