RF Phantom Millepora - WYSIWYG reef octopus and a distinctive black crescent

and a distinctive black crescent (“lunula”) near the tail base

indirect flow is preferred—strong flow can prevent full expansionPlacement: Bottom to lower-mid areas on rockwork or isolated rubble to control spreadingTemperature: 76–80°F (24–27°C)Salinity: 1

Individuals displaying clean contrast

it is an active swimmer that often hovers in the water column or darts among rockwork

RF Phantom Millepora - WYSIWYG reef octopus and a distinctive black crescentAcropora tenuis is one of the most iconic and color diverse small polyp stony (SPS) corals in the reef aquarium hobby. Valued for its compact branching structure and exceptional polyp extension, this species is responsible for many of the worlds most famous named strains. Under ideal conditions, A. tenuis displays explosive colorationoften combining neon greens, blues, yellows, pinks, and purples with contrasting growth tips and vibrant corallites.