Coin Mushroom Coral

Discosoma nummiforme

CoralMarine

Discosoma nummiforme has a perfectly round disc, often with slightly wavy edges. Its color is usually brown, gray, or green, sometimes with spots. The disc can reach 8 cm in diameter. The mouth is central and small. It attaches firmly to rocks. It reproduces by division. In aquariums, it often remains stationary. It tolerates a wide range of parameters.

Recommended parameters

ParameterRecommended range
Temperature24–27
pH8.1–8.4
GH8–12
KH8–12
NO₃≤ 20
PO₄≤ 0.1

Care

Difficulty2/5
Dietphotosynthetic
Min. tank40 L
Min. group1
Adult size8 cm
Lifespan5 ans
Temperamentpeaceful, but can be aggressive to nearby corals

Care notes

Parameters similar to Discosoma sanctithomae: temperature 24-27°C, pH 8.1-8.4, salinity 1.023-1.025. Low to moderate light, low flow. Calcium 400-450 ppm, magnesium 1200-1350 ppm. It feeds through photosynthesis and accepts meaty foods. A minimum tank volume of 40 liters is advised. It is peaceful but may release digestive filaments. Avoid strong currents. It is sensitive to high nitrates (>20 ppm).