Acan Coral: The Colourful Crown Jewel of Your Reef Tank

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Acan Coral (Acanthastrea spp), often referred to as “Acans,” are among the most sought-after LPS (Large Polyp Stony) corals in the UK reefing community. Known for their vibrant colours—ranging from electric blues and fiery reds to neon greens—Acan Corals add dynamic beauty and texture to any reef aquarium.

Native to the Indo-Pacific, these corals thrive in moderate lighting and gentle water flow, making them ideal for both beginner and experienced aquarists. At Real Aquatics, we recommend placing Acans on the sand bed or lower rockwork to mimic their natural habitat and prevent light stress. With proper care, stable water parameters, and occasional feeding of meaty foods like mysis shrimp, Acan Corals can flourish and even propagate through fragging.

What makes Acan Coral especially popular is its adaptability and stunning appearance. Whether you're building a mixed reef or a dedicated LPS setup, Acans offer a low-maintenance yet high-impact addition. Their fleshy polyps expand beautifully under optimal conditions, and they’re known to extend feeding tentacles at night—making them a fascinating coral to observe.