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Pencil Urchin
Please Note: Due to variations within species, your item may not look identical to the image provided. Approximate size range may also vary between individual specimen.
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Quick Stats
- Dietry Requirements
- Compatible With
- Maximum Invert Size (cm)
- Minimum Tank Size (L)
- Same Species Aggression
- Other Species Aggression
- Care Requirements
The Pencil Urchin has a brown, sometimes mottled body with stubby, thick spines radiating out in all directions. As it ages, its spines may become covered with coralline and other types of algae.
During the day it will seek shelter in the rocks; at night it will come out and forage for food, looking particularly for algae and smaller invertebrates like sea squirts or sponges. It requires an aquarium with multiple hiding places and live rock on which it can graze. The rock formations should be sturdy, since the Urchin could dislodge rocks as it moves around the tank. The Pencil Urchin is very sensitive to high levels of copper-based medications and will not tolerate high levels of nitrates. If water conditions are poor, it will shed its spines.
The Pencil Urchin should be offered dried seaweed and other algae based foods to supplement its diet.
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