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Shaving Brush Plant
Penicillus capitatus
Family: 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.
Keeping this species
- note
- calcified; lifespan 6–12 months before naturally dying back
- role
- beneficial — display
- placement
- deep sandbed (3+ inches)
- lightLevel
- medium to high
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Natural Habitat Temperature
77°F — 84°F seasonal range · (Jan low, Jul high)