https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/4025018
Symphysodon, colloquially known as discus, is a genus of cichlids native to the Amazon River basin. Discus are popular as aquarium fish and their aquaculture in several countries in Asia is a major industr. Original public domain image from Flickr
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