Acropora caroliniana (Smooth Skin Acropora)
Acropora caroliniana is a refined smooth skin SPS coral known for its elegant, slender branching structure and minimal polyp texture. Its streamlined corallites give it a sleek, clean appearance that sets it apart from more textured Acropora varieties, making it highly desirable among SPS enthusiasts.
 
Colour & Appearance
This species commonly displays soft pastel tones, including icy blues, pale greens, creams and subtle purples. Under strong blue spectrum lighting, its colouration intensifies, often revealing delicate fluorescence and contrasting growth tips.
 
Placement & Flow Requirements
Acropora caroliniana thrives under high-intensity lighting and strong, consistent water flow.
Position in the upper regions of the aquarium for optimal light exposure.
Ensure turbulent, random flow to maintain healthy tissue and promote growth.
 
Care Level & Compatibility
Best suited to experienced reef keepers, this coral requires stable, mature water conditions. When provided with proper parameters, it develops graceful branching growth and becomes a standout feature in SPS-dominated systems.
 
Water Parameters
Temperature: 24–26°C
Salinity: 1.024–1.026 SG
Alkalinity: 8–9 dKH (stable)
Calcium: 400–450 ppm
Magnesium: 1250–1350 ppm
 
Consistency and stability are essential for long-term success.
 
Summary
Acropora caroliniana offers refined structure, subtle colour and classic smooth skin elegance, making it a sophisticated addition to advanced reef aquariums.