Black Koi fish is different from other koi fishes mainly because of their large color variations. Other than that it is typically the same as other colored Kois. Koi fishes come in a variety of colors making them highly attractive.
They are actually considered to be uniquely bred fishes and are known for their characteristic colors and color patterns. Generally black koi live for over thirty years but it is not a typical life span for this species.
The male and female koi fish are easily distinguishable from each other through their anal configurations. That of males have more concave anus and their head have distinct breeding spots. These fish can spawn as much as 1,000 eggs. Baby koi fish are called fry and their survival is highly dependent on the water temperature.
They cannot live longer in very cold water.A fry is not as colorful as adults but their color patterns become prominent by 3 weeks old.The first Kois bred by the Japanese were only of two color variety. But years of breeding allowed them to produce more color variants with colored patterns and combinations.
Black koi is one of the most common variant but there are other gorgeous colored kois.Black Koi can grow as long as 4 feet. When breeding this fish you need to keep in mind to build a larger pond for them.
Magoi Koi was the first cultivated black koi that can grow thirty six inches in length. It is not actually black in color but instead is bronze. From above the water however it reflects a black color. Magoi are known to maximize the growth of other species through its blood by-products.
One of the old species of black koi is the Karasu or known as crow in Japanese. They are black colored in fins and body but some were bred with some color on their stomach usually white or orange.
Unique species of black koi is the Matsukawabake which comes in intriguing color variations due to water temperature and according to season. The change in its color is also influenced by the food it is fed on. The original black color of the Matsukawabake is retained if no temperature changes occur.
Many love to breed the dragon fish which is a black koi known as Kumonryu. It was first seen in 1980s and has grown in popularity since then. This fish has a mesmerizing body structure that is similar to a dragon commonly seen from the Japanese paintings.
This type of koi is capable of changing its color aside from being black. They are beautifully thought of being a dragon that is ascending through the skys white clouds.
The beauty of black koi can be very enchanting with its glamorous patterns of color combination and their abilities to change color according to the current water temperature. Taking care of koi fish can be amusing and the black koi is the species that is a common favorite to all.
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April 20, 2012 
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