Staghorn Coral

About

Staghorn Coral (Acropora millepora) is one of the most recognizable small-polyp stony corals in the Indo-Pacific, forming dense cushion-like mounds or irregular clumping branches across shallow reef environments. In the wild it turns up on reef flats, upper reef slopes, and lagoonal areas, typically in just a few meters of water where light and water movement are both intense. The branch structure is distinctive: tubular axial corallites extend along each branch tip, while the radial corallites along the sides have a flared, lip-like appearance and tend to cluster in a rosette pattern near the branchlet ends. Coloration is often a fairly understated brown or murky green, though blue and purple variants do exist and are understandably more sought-after in the hobby. In the aquarium this is a coral for keepers who already have a handle on their system. It demands very high light, vigorous flow, and the kind of stable, well-maintained water chemistry that only comes with experience and consistent husbandry. Calcium, alkalinity, and magnesium all need to stay dialed in, as with most Acropora. Get those conditions right and it can be a rewarding, reasonably fast-growing centerpiece for a mature SPS-dominated reef.