Shiro Utsuri, essentially the most common and well known assortment of the Utsurimono loved ones, are koi with a black base and parts of white pattern overlaying the black. 18th Singapore Koi Clearly show & Championship 2014, high quality koi fish for sale, japan koi fish for sale in singapore, https://trentonhtnir.westexwiki.com/1401216/the_basic_principles_of_kage_shiro_utsuri_for_sale