Freak of human interference more like, its a king strain genetically modified by man, it has however founds its own environmental niche and adapted, we dont rreslly know what king carp will naturally grow to now, they are still developing, as such he may just be part of the natural progression, al beit promoted by artificial baits. The information on growth rate and age could be interesting. It does look like a resonabled propotioned fish to me with a good fitness profile, more so than some of the 30s and 40s I`ve seen.