Transcription: To avoid interactions with other species, the periods of activity of a coral species don't have at the same time the species competitors or predators. The species that during the day are not the readers of the species are different to those that can see us. When it is approximately crepusculo, the majority of the species that are active during the day are native to the species to look at places where they can see and see their refuges In that moment, the nocturne's species, which are the occult creatures of the Earth, will abandon their refuges to start their activity.