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Bubble Coral
Plerogyra sinuosa
Family: Caryophylliidae
📍 Indo-Pacific Reef Systems
Bubble coral is a distinctive LPS coral whose fleshy, bubble-like vesicles inflate during the day to maximise light capture and deflate at night to reveal feeding tentacles. It is a vigorous feeder and responds well to regular target feeding. Its delicate inflated tissue can be punctured by sharp rockwork, so placement must be considered carefully.
Keeping this species
- diet
- Photosynthetic; actively feeds on mysis shrimp, krill, copepods at night
- flow
- Low to moderate, indirect
- lifespan
- Decades
- lighting
- Low to moderate (30–100 PAR)
- placement
- Sand bed or low rockwork away from sharp edges
- tank size
- 30 gallons minimum
- temperament
- Has sweeper tentacles at night; moderate aggression
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Water it likes
- ph
- 8.1–8.4
- calcium
- 400–450 ppm
- nitrate
- 1–10 ppm
- salinity
- 1.024–1.026 SG
- magnesium
- 1250–1350 ppm
- phosphate
- 0.03–0.1 ppm
- alkalinity
- 8–11 dKH
- temperature
- 73–81°F (23–27°C)
Natural Habitat Temperature
79°F — 81°F seasonal range · (Jan low, Feb high)