The common carp is Cyprinus carpio.This is an orange wild carp. carp is wild. Koi is man-made.
"bred selectively to produce the various colours" is called man made.The common carp is Cyprinus carpio.
There are many types of genus and species of carp.
The koi is not a man made fish it is a Cyprinus carpio bred selectively to produce the various colours and patterns but is still the common carp as a species.