Overview
The Hammer Coral (Euphyllia) (Euphyllia ancora) is a intermediate saltwater species known for its green, gold tips (also purple, orange) coloration. T-shaped tentacle tips. On rock.
Origin & Appearance
Origin: Indo-Pacific.
Colors: Green, Gold tips (also Purple, Orange).
Body Shape: Coral Colony (mound/boulder). Typical adult dimensions: 20.0 x 16.0 x 12.0.
Sexual Dimorphism: N/A; colonial.
Tank & Water Requirements
| Min Tank Size | 20 gallons |
| Temperature | 75–81°F |
| pH Range | 8.1–8.4 |
| Water Hardness (GH) | dKH 8-12 |
| Bioload | low |
| Oxygen Demand | medium |
| Plant Safe | yes |
| Aquarium Position | On rock |
Behavior & Activity
Sessile; T-shaped tentacle tips sway in current creating flowing motion; stinging sweeper tentacles extend at night; no locomotion
Speed: 0/100Aggression: 3/10diurnalSchooling (6+)
Breeding
Fragging (asexual); broadcast spawning (sexual)
Common Diseases
💊 Brown jelly disease💊 tissue recession💊 pests
Expert Notes
T-shaped tentacle tips; moderate flow