🍉🔥 Echinophyllia sp. “Watermelon Signature” – USA Lineage
Watermelon Chalice Coral – Similar to Photos
🔹 Quick Stats
Care Level: Moderate
Temperament: Semi-aggressive (can extend sweeper tentacles at night)
Colour Form: The Watermelon Signature Chalice displays the classic watermelon pattern — a deep red to crimson base surrounded by vibrant green outer rings and bright glowing mouths. Under actinic lighting the green rim glows intensely while the red body develops rich ruby tones. Under balanced white lighting the coral reveals layered shades of cherry red, emerald green and bright orange to yellow mouths that create one of the most recognizable chalice colour patterns in the reef hobby.
Water Conditions: 24–26 °C, dKH 7.5–9, pH 8.0–8.4, sg 1.024–1.026
Family: Lobophylliidae
Lighting: Low to Moderate (PAR 60–120)
Water Flow: Low to Moderate, indirect flow
Placement: Lower to mid rockwork
Type: Frag – Similar to Photos
🧬 Overview
The Watermelon Signature Chalice is a premium chalice coral originating from well-known USA coral lineages, prized for its unmistakable colour combination and strong fluorescence.
The classic watermelon pattern — deep red base with neon green rim and glowing coral mouths — produces an extremely vibrant contrast, especially under blue-spectrum reef lighting where the colours become highly fluorescent.
Chalice corals grow in a plating and encrusting form, gradually spreading across rock surfaces and developing additional colourful mouths as the colony expands.
Similar to Photos:
You will receive a healthy frag similar in size, colour and pattern to the reference photos. Natural variation between individual frags is normal.
Selected for:
• Classic watermelon colour pattern
• Neon green rim with deep red base
• Bright glowing coral mouths
• Healthy tissue and active growth edges
• Excellent fluorescence under reef LED lighting
🍽️ Care & Feeding
Chalice corals benefit from regular feeding which promotes faster plating growth and stronger colour development.
Recommended feeding 1–2× weekly:
• Mysis shrimp or finely chopped seafood
• Reef roids or powdered coral foods
• Target feeding with reduced flow
📈 Optimal Parameters
Parameter | Ideal Range
Alkalinity (dKH) | 7.5–9
Calcium (Ca) | 420–450 ppm
Magnesium (Mg) | 1300–1400 ppm
Nitrate (NO₃) | 5–20 ppm
Phosphate (PO₄) | 0.03–0.10 ppm
📍 Placement
Place in the lower to mid areas of the aquascape where moderate lighting and gentle flow allow the coral to expand naturally.
Allow spacing around the coral since chalice corals may extend sweeper tentacles during nighttime feeding.
🍉 Watermelon Signature Chalice
The iconic red and green chalice with glowing mouths — a legendary colour pattern that brings classic reef beauty to any aquarium.