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Shaving Brush Plant
Penicillus capitatus
Plantae›Chlorophyta›Ulvophyceae›Bryopsidales›Halimedaceae
📍 Caribbean — Florida to Brazil, Bermuda
Unmistakable calcified macroalgae resembling an old-fashioned shaving brush — white stalk topped with a tuft of fine green filaments. Anchors in sandbed. Relatively short-lived (months to a year); when it dies it releases calcium into the water. An endearing curiosity for Caribbean reef displays.
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Quick Facts
- note
- calcified; lifespan 6–12 months before naturally dying back
- role
- beneficial — display
- placement
- deep sandbed (3+ inches)
- lightLevel
- medium to high
Water it likes
- ph
- 8.1–8.4
- hardness
- 8–18 dGH
- temperature
- 73–81°F (23–27°C)
Legality
No state or federal restrictions on record for this species.
Not legal advice, and possibly incomplete or out of date. Rules vary by state and locality and change over time — always confirm the current regulations with your state wildlife or agriculture agency before buying, keeping, or shipping this species.