Reef Tank Suitable, Fish-Only Tank Suitable
Natural Environment: Inhabits shallow areas in lagoons and mangrove and seagrass areas.
General Husbandry: Generally available in the trade and prefers medium to indirect light. Besides needing a calcium level near that of Natural Seawater (NSW), about 400 mg/l, it appears to do better if alkalinity is maintained between 3.5 - 4.5 meq/l or even slightly higher.
Notes: Hardy, but require calcium supplements to survive. Slow growth. When this alkalinity range is maintained have seen this dark green species grow in my aquariums at a rate of one-quarter inch (.6 cm) per day. It's a good species for aquariums with grazers such as Tangs because the calcareous makeup of the plant helps keep their digestive system free of blockages. The Halimeda plant is a green calcareous macroalgae found within tropical oceans worldwide, and is a beautiful decorative plant for a marine aquarium. The irregular oval segments of Halimeda appear as several small green coins glued from end-to-end, forming a chain. For this reason, Halimeda may also be called the Money Plant. Calcareous algae deposit calcium carbonate in their tissues, and require a sufficient calcium level in the aquarium in order to thrive. Halimeda are generally hardy in a marine aquarium, and few fish will feed on it. It is not an invasive plant that will cause harm to close neighboring corals or invertebrates. In addition to light, it requires a sufficient level of calcium to grow. They are not as tolerant of high nitrate or phosphate levels compared to some other algae. They also do not tolerate extensive pruning.