The Black Koi Fish

Black koi fish are koi fish that have the black koi pattern. Many people choose the black koi compared to other koi fish. Overall, koi fish, which come from the carp family, are known to live as much as 35 years, though there are records that carp can live for over 200 hundred years! Many koi ponds across the globe have black koi fish just because koi are magnificent fish that live for a long time.

Koi fish were initially bred from carp in Japan. Koi come in several colors, not only black. Black koi fish specifically were bred from carp fish that had a couple of colors. Thanks to the commitment and determination of Japanese koi breeders, koi breeders from around the world, as well as koi lovers, are able to take pleasure in a wonderful colorful array of koi fish today.

The male and female koi fish have features that separate them from each other. For example, the male koi fish have concave anal areas and they are characterized by a breeding spot at their heads. Soon after spawning, the female koi is capable of laying as much as a thousand eggs. The fry (baby koi) hatch anywhere from four to seven days, depending on the temperature of the pond. Koi spawning as well as fry hatching may happen very quickly, but it usually takes 3 to 12 weeks for the fry to reveal their distinct colors.

Like any other koi fish, black koi have to be placed in ponds that are big enough since koi fish tend to grow up to three feet long. The Magoi koi, which is a popular black koi, is seen to grow large very fast. The Magoi koi may look like bronze if it's observed from all directions other than from the top. Many koi breeders are making use of this particular black koi for breeding with other koi to be able to create large koi in various color patterns. Another black koi is the Karasu koi, also referred to as the crow koi. The body of this koi is black and its fins can be black also. The Karasu koi's belly may also be white or orange in color.

Are you aware that almost all koi change their colors and this is in reaction to the environment, especially their diet? Energetic koi fish usually have vibrant colors. One specific koi, the Matsukawabake koi, is well known for its changing colors. Although it is considered as a black koi, the Matsukawabake koi can alter its color pattern when the water temperatures and foods change. This particular koi can appear completely black on one day and entirely white on the following day. This black koi usually goes back to its initial colors when its environment and food go back to normal or original state.

Among the different types of black koi, the Kumonryu koi or dragonfish koi, appear to be the favorite black koi of most koi lovers. This black koi is called "dragonfish" because it resembles an ancient dragon in the paintings. This black koi has a tendency to go through color changes when the times change.

Koi ponds from all over the world will have koi fish in a wide range of color patterns. Koi fish are an amazing addition to any pond. With their changing colors, they can provide unlimited hours of amusement for everybody. Why, even the black koi fish alone are unique enough in their color changes!