Goniastrea is a genus of stony corals in the family Merulinidae. Species belonging to the genus Goniastrea forms massive colonies, usually spherical or elongate, with well developed paliform lobes. Polyps can be seen only at night.
The Favia Corals are large polyp stony (LPS) corals often referred to as Moon, Pineapple, Brain, Closed Brain, Star, Worm, or Honeycomb Coral. They are the most common and prolific coral in the world, and are very similar to the genus Favites, sharing many of the same common names, and sometimes being very difficult to differentiate. Favia Corals are found in various color forms and polyp shapes. “Pineapple Coral” is the name commonly given to those that have smaller circular patterns. The Favia coral is a very easy beginner coral that requires low to moderate flow and light.