Where to buy Rock-Boring Urchin
ReefDock searches the following reef retailers for this invertebrate. Click through to see the live price.
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Saltwaterfish
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Amazon
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Petco
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About Rock-Boring Urchin
A dark-colored urchin (typically black or dark purple) with relatively short spines and a flattened profile. Named for its ability to bore into limestone rock; features a rounded test with tube feet visible between spines.
Key facts
- Diet Details
- Primarily algae grazer, feeds on microalgae, diatoms, and detritus. May graze on some macroalgae and encrusting organisms; benefits from algae-based supplements and occasional vegetable matter.
- Appearance Description
- A dark-colored urchin (typically black or dark purple) with relatively short spines and a flattened profile. Named for its ability to bore into limestone rock; features a rounded test with tube feet visible between spines.
- Compatibility
- Compatible with most reef inhabitants including corals and other invertebrates, though may disturb loose or fragile corals while burrowing. Best housed singly or in small groups to avoid territorial stress.
- Notes
- • Minimum 20 gallon tank • Maintain temperature 72–78°F and salinity 1.023–1.025 • Requires stable water conditions and adequate calcium/alkalinity for spine growth • Nocturnal and primarily grazes on algae; provide rockwork with sufficient algal growth • Handle with care due to sharp spines; position carefully to avoid damage to corals or invertebrates
- Care Level
- Moderate
- Category
- Urchin
- Origin
- Western Atlantic, including the Caribbean Sea, Gulf of Mexico, and Bahamas.
- Type
- Urchin
- Max Size
- 2.5
- Water Parameters
- Temperature: 72-78°F pH: 8.1-8.3 Salinity: 1.023-1.025
- Family
- Echinometridae
- Min tank size
- 20 gallons
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