The Sea Pen makes a beautiful addition to any tank. It is unique and beautiful specimens for well-established reefs. The Sea Pen resembles a quill pen stuck in the substrate when fully expanded. It is often found in light orange or tan in color that adds splash of hues in any tank. The base of the creature burrows into the sand, erecting its upper half which blossoms with specialized polyps to feed. The Sea Pen prefers to be placed in areas with lower current so that it can stay rooted and where plenty of food can reach them. Since the Sea Pen is a non-photosynthetic coral, it needs frequent feedings of planktonic food. It exhibits a ?feather-like? shape for increasing the spread of gastrozoids into the water column to maximize the prey capture rate of a colony while also minimizing drag in the turbulent water. The Sea Pen is nocturnal and being a non-photosynthetic, lighting needs are not a big concern. It preys on an abundance of tiny plankton such as invertebrate larvae, suspended detritus and their efficiency of capturing such particles is directly influenced by the flow rate of water in the aquarium. Sea pens are all capable of expanding and contracting their body such that they will often pull in completely beneath the sand surface to rest, and then expand up to full height to feed. When stimulated, it glows brightly green under actinic light and that looks amazing.
This item should be provided a deep sand bed to burrow its foot.