Hammer Coral

Euphyllia ancora

Has sweeping tentacles that can sting neighbors — give it space.

Care Parameters

Light

Moderate

Flow

Moderate

Difficulty

Intermediate

Placement

Mid rock

Type

LPS

Aggression

Aggressive

Reef safe

Yes

Temperature

24–27°C

Suitable Equipment

Hang-On-Back Filter

Refractometer

Internal Filter

PAR Meter

Common Problems

High Ammonia Poisoning

Elevated ammonia levels cause burns, redness and rapid breathing.

water

Cyanobacteria (Blue-Green Slime)

Slimy blue-green or dark purple patches with a foul odor.

water

Cloudy Water

Milky or hazy water that never fully clears.

water

Related resources

Solve

Common coral problems

Tool

Compatibility checker

Tool

Salt mixing calculator

Explore the Aquarium Wiki

Search fish, plants, corals & equipment side by side

Hammer Coral

Care Parameters

Suitable Equipment

Common Problems

Related resources

Cookie Preferences

Hammer Coral

Care Parameters

Suitable Equipment

Common Problems

Related resources