RF Obsidian Sun Acantophyllia gonio surrounding a radiant yellow center

surrounding a radiant yellow center that transitions into deep

and flexible scheduling provide powerful control

nutrient-rich reef environments with gentle flow and moderate light

and high-quality prepared foodsTemperament: Peaceful to semi-aggressive

Valued for its compact branching structure and exceptional polyp extension

RF Obsidian Sun Acantophyllia gonio surrounding a radiant yellow centerRadiant and commanding, the Obsidian Sun Acantophyllia is a true centerpiece for any reef. Its thick, fleshy polyps glow with a molten orange core, edged with flashes of neon yellow and electric green, giving it the appearance of a sun forged from obsidian. Each fold and ridge adds depth and texture, creating a living sculpture that draws the eye from every angle. Hardy yet stunning, this Acan thrives under moderate lighting and gentle water flow. Its