Single Head Rainbow Hologram Hammer

Rainbow Hologram Hammer Coral

Transform Your Tank with Living, Light-Shifting Color

Looking for a showpiece that commands attention... The Rainbow Hologram Hammer is one of the most visually striking Euphyllia variants in the hobby — its single head displaying an iridescent shimmer that shifts between electric greens, deep purples, pinks, and gold depending on your lighting angle. This isn't a standard hammer; the holographic color play is the result of selective aquaculture lineage that produces an effect rarely seen outside of high-end collector tanks. Single-head frags of this caliber move fast, and availability is always limited at The Coral Boutique.

As a single-head specimen, this frag gives your reef tank a focused, sculptural focal point while leaving room for it to branch and grow over time — Euphyllia ancora are known slow-and-steady growers that reward patient aquarists with genuinely impressive colonies. The long, flowing tentacles create a mesmerizing wave motion in moderate current, and the sweeping movement adds a dynamic energy to any saltwater aquarium. Hammer corals also have a satisfying personality: semi-aggressive sweeper tentacles keep neighboring corals honest, so placement matters and makes the aquascaping challenge worthwhile.

QUICK STATS & CARE GUIDE

• Common Name: Rainbow Hologram Hammer Coral
• Current Size: Single head (approx. 1–1.5 inch polyp)
• Care Level: Moderate
• Temperament: Semi-aggressive (extended sweeper tentacles; keep 6+ inches from neighbors)
• Diet: Photosynthetic; benefits from occasional target feeding of mysis shrimp, coral-specific foods 1–2x per week
• Reef Safe: With caution — maintain adequate spacing from other corals
• Water Conditions: Temp 76–80°F | Salinity 1.025–1.026 | pH 8.1–8.3 | Alkalinity 8–10 dKH | Calcium 400–450 ppm | Magnesium 1250–1350 ppm | Moderate flow | Moderate lighting (PAR 75–150)

WHY BUY FROM THE CORAL BOUTIQUE?

Every coral we ship is ethically sourced, fully quarantined, and conditioned in our Miami facility — we don't box anything until it's acclimated, healthy, and thriving under our care. When your Rainbow Hologram Hammer arrives, it's ready to settle in, not recover.