Rainbow HG

Rainbow Hammer Coral

Transform Your Tank with Living Color That Moves

Looking for a showpiece that stops scrollers in their tracks? The Rainbow Hammer Coral — a prized Euphyllia ancora variant — earns its name with sweeping, hammer-shaped tentacles that cycle through electric greens, purples, pinks, and blues under reef lighting. This isn't your standard Hammer; the Rainbow HG designation signals a high-grade specimen with exceptional chromatic intensity, and that's exactly what we curate here at The Coral Boutique. Truly standout colonies are not easy to come by, making this one of the most sought-after additions in the modern reef tank hobby.

Hammer Corals are large-polyp stony (LPS) corals with a satisfying, rhythmic sway that brings life and motion to any marine aquarium. They grow as a branching colony over time, adding dimension and structure to your aquascape. Beyond their beauty, they're remarkably rewarding — their visible response to feeding and flow makes every session at the tank feel interactive. Whether you're building a dedicated LPS reef or adding a focal point to a mixed system, this specimen consistently delivers.

QUICK STATS & CARE GUIDE

• Common Name: Rainbow Hammer Coral, Rainbow HG Hammer
• Current Size: Varies by availability — listed at time of sale
• Care Level: Moderate
• Temperament: Semi-aggressive (uses sweeper tentacles to defend space; provide adequate separation from neighboring corals)
• Diet: Photosynthetic; benefits from supplemental target feeding with meaty foods such as mysis shrimp or Reef Roids 1–2x per week
• Reef Safe: Yes (with caution — allow sufficient spacing)
• Water Conditions: 72–78°F, salinity 1.025–1.026, pH 8.1–8.4, dKH 8–10, moderate lighting and moderate flow

WHY BUY FROM THE CORAL BOUTIQUE?

Every Rainbow HG Hammer that leaves our facility is ethically sourced, fully quarantined, and conditioned in our systems until it's actively extending and feeding with confidence. We don't ship until it's ready — because your reef deserves nothing less.