Green Stem Purple Head Hammer
Green Stem Purple Head Hammer
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Description
Description
Green Stem Purple Head Hammer Coral Frag
The Green Stem Purple Head Hammer is a striking Euphyllia coral featuring vibrant green stems contrasted by rich purple hammer-shaped tips. This bold colour pairing, combined with the coral’s constant flowing movement, makes it a standout feature while still maintaining a balanced, natural reef look.
With its strong colour contrast and reliable care profile, this hammer coral is an excellent choice for both mixed reefs and LPS-focused aquariums.
Natural Habitat & Distribution
Hammer corals (Euphyllia ancora / Euphyllia paraancora) are found throughout the Indo-Pacific region, including:
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Indonesia
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Australia (Great Barrier Reef)
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Fiji and Tonga
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The Philippines
They naturally inhabit sheltered reef slopes and lagoon environments, where lighting is moderate and water movement is gentle to moderate.
A Brief History
Euphyllia corals have long been favourites in the reef hobby due to their movement, resilience, and unmistakable form. High-contrast colour morphs, such as green stems paired with purple heads, gained popularity as modern LED lighting enhanced fluorescence and depth.
The Green Stem Purple Head Hammer is prized for delivering dramatic colour without sacrificing the dependable nature Euphyllia is known for.
Appearance & Growth
Classed as an LPS (Large Polyp Stony) coral, this hammer coral features long, fleshy tentacles ending in pronounced hammer-shaped tips.
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Bright green stems with deep purple heads
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Strong fluorescence under blue lighting
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Excellent polyp extension when healthy
Growth is steady in stable reef systems, with heads dividing over time.
Placement & Lighting
Green Stem Purple Head Hammer performs best under moderate lighting, closely replicating its natural habitat.
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Lighting: Medium
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Best placed in the mid to lower areas of the aquarium
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Excessive light may cause colour stress or fading
Flow Requirements
Provide gentle to moderate, indirect flow. Tentacles should sway naturally without being blasted by direct current.
Water Chemistry
Stable reef parameters are essential for long-term success. Maintain consistent levels of:
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Calcium
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Alkalinity
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Magnesium
Along with stable salinity and temperature. Regular testing and water changes are recommended.
Feeding
While largely photosynthetic, this hammer coral benefits from occasional feeding, including:
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Small meaty foods (mysis, brine shrimp)
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LPS-specific coral foods
Feeding once or twice weekly can enhance growth and colour.
Temperament & Spacing
Hammer corals are semi-aggressive and may extend sweeper tentacles at night.
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Allow adequate spacing around the frag
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Avoid placing too close to other Euphyllia or delicate corals
Frag Size & Natural Variation
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Frag size: Typically 1–2 heads
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Colour tone and intensity may vary slightly between frags and depending on lighting and tank conditions.
Care Summary
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Care Level: Moderate
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Flow: Low–Medium
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Lighting: Medium
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Temperament: Semi-Aggressive
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WYSIWYG
Every featured frag is photographed individually, so the coral you see is exactly the one you’ll receive. No stock images, no substitutions — just honest, WYSIWYG frags grown and cared for in our systems.