The Red Open Brain Coral has fleshy polyps that generally hide its skeleton. It resembles a brain, due to the presence of crevices and ridges. The Red Open Brain Coral becomes a popular choice amongst the beginner aquarists. Due to its hardy skeleton, it is very easy to maintain and that makes the Red Open Brain Coral a valuable addition to any reef tank. You need to provide space to the Red Open Brain Coral so it can spread and flourish itself well in the reef tank. Keep the Red Open Brain Coral away from neighboring corals to avoid the stinging behavior, because it may sting them. Brain Coral is also commonly called Honeycomb Coral, Pineapple Coral, Moon Coral, Closed Brain Coral, Brain Coral Closed Pineapple, Star Coral and Worm Coral. The ridges present on the coral serve as the habitat for other animals. It features sweeper tentacles that extend well beyond its base when open. The Red Open Brain Coral can be aggressive towards other corals and therefore keeping it at a distant place is recommended. It is nocturnal, and extends out its tentacles during the night. The Red Open Brain Coral thrives well in temperature range of 72-78 degrees Fahrenheit, and pH of 8.10-8.40. It is a carnivore 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. ÿThe Red Open Brain Coral needs low water movement in the marine aquarium it inhabits. It can be kept along with other corals, so it is considered reef safe.