Rainbow Acan Echinata
Rainbow Acan Echinata
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Description
Description
Rainbow Acan Echinata Coral Frag
The Rainbow Acan Echinata is a high-impact LPS coral prized for its aggressive skeletal texture and intense, multi-coloured patterning. Featuring bold combinations of reds, greens, blues, purples, and metallic highlights, this coral delivers dramatic contrast and unmistakable presence, making it a true standout in any reef system.
More assertive in both appearance and temperament than standard Acans, Rainbow Acan Echinata is best suited to stable, mature reefs where its colour and structure can be fully appreciated.
Natural Habitat & Distribution
Acan Echinata corals are found across shaded reef slopes in the Indo-Pacific, including:
Indonesia
Australia
Fiji
The Philippines
They naturally inhabit deeper or protected reef zones where lighting is lower and water movement is gentle.
A Brief History
Echinatas have long been regarded as one of the more aggressive and visually striking members of the Acan family. Their thick tissue, sharp skeletal ridges, and bold colouration set them apart, with rainbow morphs becoming especially desirable as modern lighting enhanced fluorescence and contrast.
Appearance & Growth
Classed as an LPS (Large Polyp Stony) coral, Rainbow Acan Echinata features:
Thick, fleshy tissue over sharp skeletal ridges
Intense multi-colour contrast
Strong fluorescence under blue lighting
Compact but bold growth form
Growth is slow to moderate, with stability and colour improving over time in well-maintained systems.
Placement & Lighting
Rainbow Acan Echinata performs best under lower lighting conditions.
Lighting: Low to Medium
Best placed on the sand bed or lower rockwork
Excessive light may cause tissue recession or colour loss
Flow Requirements
Provide low to moderate, indirect flow.
Enough movement to keep tissue clean
Avoid strong or direct flow that may damage tissue
Water Chemistry
Stable reef parameters are essential for long-term success. Maintain consistent levels of:
Calcium
Alkalinity
Magnesium
Along with stable salinity and temperature. Regular testing and water changes are recommended.
Feeding
This coral responds well to feeding and benefits from regular target feeding:
Mysis shrimp
Brine shrimp
LPS pellets or powdered coral foods
Feeding 1–2 times per week can support growth and enhance colour intensity.
Temperament & Spacing
Acan Echinata is considered aggressive compared to other Acans.
Allow generous spacing from neighbouring corals
Avoid placing near delicate or passive species
Frag Size & Natural Variation
Frag Size: Approx. 1 inch
Colour balance and intensity may vary slightly between frags and depending on tank conditions.
Care Summary
Care Level: Moderate
Flow: Low–Medium
Lighting: Low–Medium
Temperament: Aggressive
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