The Red Closed Brain Coral has fleshy polyps that generally hide its skeleton. It resembles a brain, due to the presence of crevices and ridges. The Red Closed Brain Coral has become a popular choice amongst the beginner aquarists. Due to its hardy skeleton, it is easy to maintain and that makes the Red Closed Brain Coral a valuable addition to any reef tank. You need to provide space to the Red Closed Brain Coral so that it can spread and flourishes itself well in the reef tank. Keep the Red Closed Brain Coral away from neighboring corals to avoid the stinging behavior, because it may sting them. The Brain Coral is also commonly called as Honeycomb Coral, Pineapple Coral, Moon Coral, Closed Brain Coral, Brain Coral Closed Pineapple, Star Coral and Worm Coral. The ridges present on the coral actually serve as the habitat for other animals to live. The Red Closed Brain Coral features sweeper tentacles that extend well beyond its base when open. The Red Closed Brain Coral can be aggressive towards other corals and therefore keeping it at distant place is recommended. It is nocturnal, and extends out its tentacles during the night. The Red Closed Brain Coral thrives well in temperature range of 72-78 degrees Fahrenheit, and pH of 8.10-8.40. It is a carnivore in nature and filter feeding at least twice per week is recommended. The food may include small marine invertebrates, Mysis Shrimp, meaty bits, zooplankton and phytoplankton for its growth and development.ÿAdditional traces of calcium and strontium works wonders to the growth of this coral, and hence it is advised to be added.