More to explore:
Tropical Fish, Georgia Aquarium - ©Bill Gilbert - www.flickr.com/...
Discus pretty but aren't good tank mates and take a lot of attention
Discus Fish by missshelbzilla
Discus Fish by Sebastian Sans
Discus - (CC)See Sen Goh - www.flickr.com/...
Discus is a species of tropical Cichlid, found in the Amazon basin of South America.
Freshwater fish - Blue Discus - Blauer Diskus - Symphysodon aequifasciatus haraldi
One blue, other orange fish.
Discus Photo by Ruuustin on Flickr