Koi are biologically members of the cyprinidae family, with more than 3,700 species of cyprinidae belonging to 210 genera worldwide. It is a kind of high-grade ornamental fish which is popular in today's world.
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Koi are biologically members of the cyprinidae family, with more than 3,700 species of cyprinidae belonging to 210 genera worldwide. It is a kind of high-grade ornamental fish which is popular in today's world.