Coral is a living invertebrate. By living in the sea area in tropical zone, which has temperature since 18-32 Celsius which In water with a depth of no more than 60 meters. The coral breeding has 2 form. There are sexual reproduction and Asexual reproduction
.-sexual reproduction, it will leave the eggs to follow water flow for it will stick to the fossil. When the temperature is appropriate. It's mating and the opportunity to see the result it's very a little . Because it depends on the temperature
.- Asexual reproduction , We will less the coral that is strong to go to breeding. The fossil lump under the sea to cement with sand and put the coral. Then the cement dry mix.