Coelastrea aspera is a species of cnidarians in the family Merulinidae. Coelastrea aspera formmarine reefs. Individuals can grow to 349 µm. They are broadcast spawners. They have no parental care.
Definition: Diameter of the egg life stage of this organism. An egg is an organic vessel in which an embryo first begins to develop. In most birds, reptiles, insects, molluscs, fish, and monotremes, it is the zygote, resulting from fertilization of the ovum, which is expelled from the body and permitted to develop outside the body until the developing embryo can survive on its own.
Definition: In population biology, the generation time is a quantity that reflects the average time between two consecutive generations. Reciprocal of Generation Frequency
Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)