
Source: Wikimedia Commons
A hardy SPS coral with densely packed small polyps. Grows in low light, recommended for beginners.
Cyphastrea (family Merulinidae) is a genus of encrusting to hemispherical SPS corals found on Indo-Pacific reef slopes and beneath overhangs. Their surface is densely patterned with small, rounded corallites that give colonies a distinctive granular texture. Uniquely among SPS, Cyphastrea tolerates a broad lighting range of 50–200 PAR, allowing placement in shaded reef zones where other small-polyp corals struggle. Gentle to moderate indirect flow and stable parameters (24–27°C, KH 8–10, Ca 400–430 ppm) suit them well. Color variants in green, red, orange, and purple are available; intensely fluorescent specimens command collector premiums. Growth is deliberate but consistent, gradually encrusting surrounding rock. Low to moderate care requirements and shade tolerance make Cyphastrea one of the most versatile SPS options for mixed reef displays.
Source: Wikipedia (CC BY-SA 4.0)
Origin
Indo-Pacific reef slopes and beneath overhangs
Lifespan
10+ years
Size
5-20cm
Temperature
24〜27℃
Photosynthesis
Rare SPS that grows in low to medium light
Low to medium flow
Spreads by encrusting
One of the hardiest among SPS corals
Beginner. This is a beginner-friendly species. No special equipment or experience is required, and it can be kept successfully with basic care setup.
The ideal temperature for Cyphastrea is 24〜27℃. Avoid sudden temperature changes and maintain a stable environment.
The average lifespan of Cyphastrea is 10+ years. With proper care and nutrition, they can live a long and healthy life.
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Cyphastrea typically reaches 5-20cm as an adult. Size may vary depending on care conditions and individual genetics.
Cyphastrea feeds on: Photosynthesis. Aim for a balanced diet with appropriate feeding frequency.
The price of Cyphastrea varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.