Description
A highly prized LPS coral known for its dramatic red outer ring with a bright green or yellow center, resembling a sliced “bleeding apple.” It forms a single large fleshy polyp with intense fluorescent coloration and a swollen appearance when healthy.
Lighting
Low to moderate lighting
(Too much light can cause fading or tissue stress)
Placement (Aquarium Zone)
Lower reef / sandbed
Best placed on the sandbed or low stable rockwork
Temperature
24–27°C (75–81°F)
Salinity
1.024–1.026 SG
pH
8.1–8.4
Alkalinity
8–10 dKH
(Stable parameters are essential)
Diet
Photosynthetic + supplemental feeding
Benefits from occasional target feeding:
Mysis shrimp
Reef roids / powdered coral foods
Small meaty marine foods
Adult Size (up to)
~10–15 cm (4–6 inches)
Care Level
Intermediate
(Fairly hardy once established but sensitive to instability)
Compatibility
Semi-aggressive
Reef-safe but requires spacing from neighboring corals
Can extend feeder tentacles at night and sting nearby corals
Compatible with most reef fish

