Koi Colors in Your Koi Pond by Michael Tan

So what is a Koi? It is a fish grown in the orient and is popular among fish lovers. Koi are popular for their colors. Koi also serve as a source of food and income. Whether a pet lover or fish farmer, it is important to consider the environment in which the fish will be grown. A simple pond that has the necessary requirements for a koi will do. So, let's check what these requirements are.

The first thing to consider when planning to farm fish is the size of the pond. 20 koi should be good in a 2000 gallon pond. A bigger pond will even be better. Koi are quite large and grow to as big as 3 feet long. The depth of the pond is also another thing to consider. A depth of 4.5 feet will suffice to keep predators from reaching in and grabbing the fish. When it comes to security, you might as well opt to set up a fence around the pond while keeping in mind your need to access any side of the pond.

If you are designing the pond, it must be designed in such a way that adjustments can be made later on. Again the fish grows quite large even if schooling is rare. The pond should be located in an area where the water will stay cool. A location under the tree is not recommended because trees shed leaves.

For serious breeders, a serious set of gear must also be purchased in order to grow kois successfully. You need to provide pond supplies. Food supply is one of these things you need to provide, which can be purchased from typical pet shops. But to be sure, you can visit farm supplies. Another thing you need to provide is a water pump that will be used to pump water out of the pond and back again. This is for the simple reason of aeration. Stagnant water will develop carbon dioxide and will kill the fish. Aside from aeration, you need to keep the water as clean as possible. You can do this by using a filtration system and protein skimmer.

Your next concern is to keep the water temperature wherein the koi can grow. The best temperatures would be at 65 degrees to 75 degrees fahrenheit. Any lower will cause the fish to stop feeding or worse, at extremely low temperature, will lower its immune system. This will make the fish vulnerable to disease.

No matter what you are aiming for, when growing koi, it is important to provide them with an environment that will suit their needs. The environment will affect the growth of the koi and when provided insufficiently may cause a lot of trouble later on. Growing koi are not as easy as putting a gold fish in a fish tank because of all the factors to consider. As for the supplies, these can be purchased locally or online as always.

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White Koi - The Classic Symbol of Elegance by Kate Nakamura

The Classic Icon of Elegance



Nothing epitomizes sublime beauty quite like the White Koi. Valued for its purity in form & color, the Platinum Ogon, as it is more commonly referred to amongst enthusiasts, has turned out to be somewhat of a "standard" for many koi ponds worldwide. This popularity is due partly to the fact that they are able to grow rapidly and are surprisingly easy to see in the murky water of poorly filtered ponds. They stand out beautifully alongside the host of colors of other koi varieties.



Throughout the earliest days of breeding and cross-breeding Koi in Japan, there were generally only one or two colors on hand, so, as Koi breeding gained popularity around the world, the range and diversity of colors and traits increased dramatically. Today there is an ever-increasing assortment of color and pattern combos available, ranging from red, black, white, green, blue and yellow.



To completely appreciate the different varieties of Koi Fish, one needs to develop a comprehension of the various classifications that each group falls into. Each class has standards to ascertain which group they belong to, but generally speaking, each group has a particular level of acceptable diversity.



White koi originally appeared back in 1963, most likely from cross-breeding Kigoi (lemon non-metallic) with the grayish-silver (metallic) Nezu Ogon.



When learning about Koi varieties, it's interesting to note a particular point of differentiation. Each variety usually has a Doitsu (scale-less) version and a Gin Rin (sparkly) scaled version.



Most Platinum Ogon are bred with the Gin Rin scales to make them appear shinier. Gin Rin scales have a pigmented reflective sheen that produces a glimmering effect much like that of cut diamonds. To meet the requirements as a Gin Rin, a Koi must have at least 20 scales which is the acceptable minimum requirement.



Ogon refers to koi of one solid color. Whilst known colors include red, orange, platinum, yellow and cream, the two most popular colors are the Platinum Ogon (white) and the Yamabuki Ogon (yellow). A desirable attribute of the Ogon are sizeable fins because they offset the single color body. The color of any Ogon should be consistent all over the body of the fish.



An additional interesting point is that as the majority of the fish's pigment is on the top section of the fish, the light is able to reflect off their backs, highlighting their bright and beautiful color combinations. For this reason, Koi are generally best seen from above, as in a pond.



Although all koi are classified as Cyprinus carpio, selective breeding and cross-breeding has resulted in many varieties of koi, each based on varying levels of scalation, color, and patterning.



As a preliminary guide for the amateur Koi devotee, it is perhaps useful to provide a few words in the Japanese Koi vocabulary to make the task of understanding Koi Classification a little less overwhelming. An illustration of how this Japanese terminology works is shown in the following example variations:



Aka Bekko - A red Koi with black patches

Shiro Bekko - A white Koi with black patches

Ki Bekko - A yellow (ki) Koi with black patches

Doitsu Bekko - This is a scale less version of the above



Japanese Terminology for Koi Classification:

Ai-Indigo color

Aka red - pertaining only to the base color of the fish

Bekko - Solid base color (aka, ki or shiro) with black markings (sumi)

Beni - dark red color

Budo - Grape color

Cha - Brown color

doitsu German carp - either scale-less referred to as Leather Carp or having a line of large scales along the lateral and dorsal lines referred to as Mirror Carp

gin - silver (white metallic)

ginrin pearl-silver reflective scales

hi red - pertaining only to the colored patches of the fish

hikari - shiny

karasu old variety of black koi - means "Crow" in Japanese - black fins and jet black body - may have markings on belly

ki Yellow - pertaining only to the base color of the fish
kin gold (yellow metallic)

kinrin pearl-gold reflective scales

kuchiben - lipstick

matsuba - pine cone or net pattern effect to scales

midori - green color

mono - type

moyo - type of pattern

muji - one color

nezu - gray color

orenji - orange color

rin - shiny Scale

shiro White - pertaining only to the base color of the fish

sumi black - pertaining only to the colored patches of the fish

tancho - a single strong red spot on the head only

ai - Indigo color

aka red - pertaining only to the base color of the fish

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The 15 Types of Koi by Michael Tan

Koi is an ornamental carp that is quite attractive. They come in many different color patterns. The first koi were first koi were bred for color in the 1800s in Japan, since then different color variations have come up. There are many different types of koi. The following are 15 of the most common.

1. The kohaku which is red on a white background. The red should be a uniform shade with well defined edges where it meets the white. In addition it should be well balanced and cover between 50% and 70% of the body.

2. Sanke is a white koi which has red and black markings. The hue of the markings should be deep with well defined edges. Also, they should be balanced when observed together or individually.

3. The showa is also white, red and black in color. The black and red are dominant and should be deep.

4. The asagi is gray or blue on the back and red or orange on the underside. The scales should be darker blue or gray at the center and become lighter or white at the edges. The red or orange should also extend to the pectoral fins' base.

5. The ogon has only one color. This should be even without any markings.

6. The chagoi has a color that varies from light tan to a dark green. The edges of their scales are black.

7. Tancho koi has a red mark on its head. It is a variety of the other types.

8. The utsurimomo koi is black with white, yellow or red markings on the body. The black on the head should extend to its nose.

9. The bekko koi is white, red or yellow with ebony black spots scattered all over its body. The edges of the black markings should be well defined.

10. The shusui koi has a blue or gray marking along its dorsal line and red or orange extending from the underside to the lateral line. The blue or gray scales should be evenly aligned along the dorsal line. The shusui is also partially scaled.

11. Doitsu koi are either partially scaled or not scaled. The partially scaled doitsu have large scales along their dorsal and lateral lines.

12. Koromo are kohaku with red markings. What makes them different from the kohaku is an indigo along the edges of the scales on the red markings.

13. The goshiki koi is white, red, black, blue and dark blue in color. This often gives them a purplish appearance.

14. The ochiba shigure is green or gray with a filigree reticulation of brown.

15. Midori goi koi is yellow green in color and is either partially scaled or non-scaled.

Koi types are distinguished through their color and escalation. However, there are certain standards a fish has to meet for it to be termed a true koi. The main consideration is the balance in color and for the mixed color types, the definition of the edges where the colors meet.

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