Hartis Discus Page - Information and tips. Simply Discus - Library includes information on husbandry, biology, chemistry, foods and nutrition. Waialeale Discus Importer and Hatchery - Importer and hatchery located in Hawaii. Discus Land - Buying aquariums and discus, feeding, breeding, history and photos. Discus: Symphysodon aequifasciatus - Photo gallery and hobbyist reviews based on personal experience keeping Discus. P and Y Discus Co. Ltd. - Fish breeder and exporter in Thailand.