Orange sea fans (Swiftia exserta) or red polyp octocoral are a type of gorgonians that belong to the group of non-photosynthetic cnidarian species. These sea fans occur throughout the west Atlantic in fairly deep (e.g., 60 to 1600 feet) and nutrient-rich waters along coastal areas with moderate currents. Colonies are fan-shaped with orange to red stem… Continue Reading Orange Sea Fans of the Deep