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Hammer Coral
Euphyllia ancora
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📖 Wikipedia / Wikimedia Commons
Striking LPS coral with hammer-shaped tips. Clownfish may host it. Has sweeper tentacles at night.
CARE
Beginner
AGGRESSION
Medium
MAX SIZE
6-12"
FLOW
Medium
LIGHTING
Medium
PAR RANGE
50–150 µmol
⚠ ADD WITH CAUTION
· Tank needs 1 more month of maturity
💰 BUDGET PICK
VALUE
WOW FACTOR
TYPICAL PRICE
~$30–60 frag
Flowing tentacles, great movement, huge visual impact. One of the most satisfying LPS corals to grow from a small frag.
⚠️
SWEEPER TENTACLES
Extends long sweeper tentacles, especially at night, that will sting and damage neighboring corals. Maintain at least 6 inches of clearance from all other corals.
🌊 WATER PARAMS
ParamStatusIdeal
TemperatureOK (78.4)75–80 °F
SalinityOK (1.025)1.024–1.026 sg
pHOK (8.22)8.1–8.3
Nitrate NO₃⁻OK (8.0)0–10 ppm
Tank Compatibility
Ocellaris ClownfishCompatible
Royal GrammaCompatible
Tailspot BlennyCompatible
Firefish GobyCompatible
Yellow TangCompatible
Six Line WrasseCompatible
Orchid DottybackCompatible
Torch CoralCaution
Acropora SPSIncompatible
Duncan CoralCompatible
Skunk Cleaner ShrimpCompatible
Turbo SnailCompatible
Blue Leg Hermit CrabCompatible