X4 Assorted Hammer Coral Frags - Euphyllia Ancorax2 ASSORTED HAMMER CORAL FRAGS EUPHYLLIA ANCORA FREE SHIPPING Common Names: Hammer Coral or Anchor Coral Skill Level: Moderate Classification: LPS Disposition: Aggressive Light Level: Moderate to High Water Flow: Moderate Water Conditions: 72 78 F, dKH 8 12, pH 8. 1 8. 4, sg 1. 023 1. 025 The Hammer coral gets its name from the hammer or anchor shape of its tentacles. During the day the tentacles are extended and provide nice movement to the reef