koi fish are colored varieties of amur carp cyprinus rubrofuscus

amur animal aquatic are asia asian background beautiful carp color colored colorful courage cyprinus day decorative eat exotic feed fish fishing food fortune frenzy garden gardens gold golden goldfish hobby hungry japan japanese kept koi luck lucky many mouth nature orange oriental ornamental outdoor pet pond ponds pool purposes red relaxation rubrofuscus scramble stream strength swim symbol that tropical underwater varieties water wildlife