Shiro Utsuri are a beautiful black based koi with white patterns on its skin. The Utsuri varieties also have red pattern on black skin and yellow pattern on black skin. Shiro Utsuri are highly desirable koi for any backyard koi pond collection. New Jersey koi pond owners can easily keep this koi variety along with other varieties. Shiro Utsuri do not require any special care and readily accept koi foods.