
Hammer Coral
Fimbriaphyllia ancora
Sends out long sweeper tentacles at night. Give it 6 inches from other corals; it tolerates other Euphyllia better.
- Light
- Medium (≈100–200 PAR)
- Flow
- medium
- Where it goes
- Mid of the tank
- Colony size in a year or two
- 4–10 in
- Aggression toward other corals
- high
- Temperature
- 76–82 °F
Where to buy it
Buy aquacultured frags where you can: they're hardier than wild colonies and don't come off a reef.
Likes the same light
Reef-safe fish and inverts
Guides to read next
Care ranges are typical hobby guidance and vary by source and by where the animal came from. Ask your supplier and watch your own tank. Spot a mistake on this page? Let me know.















