There are a few factors that help to determine a type of koi fish. They are usually identified by koi fish colors, markings, 
patterns and scale variations. Here are some of the more common types of these wonderful pond fish:Kohaku. This is probably the most common and popular type of koi. It's colors are red and white. The japanese translation for kohaku is red and white.
Asagi. This beautiful fish is pale blue with an orange-red type color of belly. It's scales on it's back form a net pattern. The word asagi means pale blue.
Ogon. This shiny metallic koi is usually gold or orange. You can also find these in cream color, but they are rare in that color. The scales are one color. Ogon means gold.
Bekko. This koi can be white, yellow or red. It has black markings on it's body. Bekko translates into tortoise shell.
Matsuba. This koi is one color. It's scales are similar in design to a pinecone.
Utsuri. This fish is black with white, red or yellow markings. The markings are similar to ink stains. This is the reason the japanese word for to print, utsuri, is it's name.
Karasugoi. A black fish with an orange belly.
Showa. This beautiful koi has a black body with white and red markings.
Ochiba: A light blue koi with yellow markings. Ochiba translates to fallen leaves.
Butterfly koi: Koi that are bred with asian carp. The color is determined by the type of koi that is bred with the carp. Butterfly koi are known for their long, flowing fins.
Koi fish, overall, are viewed as symbols of love and friendship. These and other meanings ranging from courage to strength are the reasons that they are such popular symbols being seen on anything from jewelry to tattoos. Koi fish colors are beautiful and original no matter what type you choose.
