Just Discus
- Singapore Discus breeder, specializing in the export and wholesale of quality fish.
- http://www.justdiscus.com

P and Y Discus Co. Ltd.
- Fish breeder and exporter in Thailand.
- http://www.pydiscusfarm.com/

Kaman Discus Farm
- A breeder and exporter of Discus from Thailand. Delivers fish to aquaculture operations worldwide.
- http://www.kamandiscusfarm.com

The Discus
- Information about care and breeding.
- http://www.tinkerfish.com/discus/

Discus of Indonesia
- Interviews, photos and videos of breeders and their Discus.
- http://www.discusofindonesia.com

Discus: Symphysodon aequifasciatus
- Photo gallery and hobbyist reviews based on personal experience keeping Discus.
- http://www.aquahobby.com/gallery/e_discus.php

Discus Land
- Buying aquariums and discus, feeding, breeding, history and photos.
- http://www.discusland.com

Discus Pro
- Articles about care and breeding.
- http://www.discuspro.com

Waialeale Discus Importer and Hatchery
- Importer and hatchery located in Hawaii.
- http://www.hawaiidiscus.com/

FishGeeks: Discus Plague
- The cause of the Discus and Angelfish plague of 1986: what it is not, how to prevent spread of the disease, what to do if it shows up in the fishroom.
- http://www.aquaria.info/modules.php?op=modload&name=News&file=article&sid=34

Simply Discus
- Library includes information on husbandry, biology, chemistry, foods and nutrition.
- http://www.simplydiscus.com

Hartis Discus Page
- Information and tips.
- http://www.hartmut-bolick.de

Max Discus Dream
- Contains German and international breeders database and photos.
- http://www.max-discus-dream.de