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

Koi fish were originally bred from carp in Japan. Koi come in several colors, not just black. Black koi fish particularly were bred from carp fish that had one or two colors. Thanks to the dedication and determination of Japanese koi breeders, koi breeders from around the world, as well as koi enthusiasts, are able to enjoy a wonderful colorful array of koi fish today.

The male and also female koi fish have features that separate them from each other. For instance, the male koi fish have concave anal areas and they are identified by a breeding spot on their heads. After spawning, the female koi is capable of laying as many as a thousand eggs. The fry (baby koi) hatch anywhere from four to seven days, based on the temperature of the pond. Koi spawning and also fry hatching may happen very fast, but it usually takes 3 to 12 weeks for the fry to show their diverse colors.

Like any other koi fish, black koi have to be kept in ponds that are large enough since koi fish tend to grow up to three feet long. The Magoi koi, which is a well known black koi, is known to grow large very fast. The Magoi koi may appear bronze if it's viewed from all directions besides from the top. Many koi breeders are using this particular black koi for breeding with other koi in order to create large koi in various color patterns. Another black koi is the Karasu koi, also called 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 response to the environment, particularly their diet? Healthy koi fish normally have vibrant colors. One specific koi, the Matsukawabake koi, is popular for its changing colors. Although it is considered as a black koi, the Matsukawabake koi can change its color pattern when the water temperatures and foods change. This particular koi can appear completely black on one day and entirely white the next. This black koi normally goes back to its original colors when its environment and diet go back to normal or original condition.

Among the different varieties of black koi, the Kumonryu koi or dragonfish koi, appear to be the favorite black koi of most koi enthusiasts. This black koi is called "dragonfish" because it resembles an ancient dragon in the paintings. This black koi tends to go through color changes when the seasons change.

Koi ponds from all over the world will have koi fish in a wide variety of color patterns. Koi fish are a wonderful addition to any pond. With their varying colors, they can provide unlimited hours of amusement for everyone. Why, even the black koi fish alone are diverse enough in their color changes!

Koi Supplies: Essential To Having Vibrant-Looking Koi
If you want your koi fish to be healthy and vibrant-looking, you will need to make sure you have plenty of quality koi supplies. So what koi supplies are essential?

Some Tips On Keeping Your Koi Healthy
Koi health is of paramount importance if you want to enjoy your fish for a long time. Koi fish are known to live for decades although the average life span is 20 to 30 years. Koi are hardy and durable; however, they can get sick.

Salt Water Aquaria - A Great Number Of Shapes And Sizes
Salt Water Aquariums come in a lot of different shapes and sizes. The number of fish you can keep will depend on the size of the tank that you buy.

The Types Of Koi Fish
Koi are very popular fish bred and cared for by hobbyists the world over. Koi is a Japanese word that means "carp" and includes the dull gray wild carp caught in rivers and lakes for food, as well as the brightly colored varieties.

Choosing Custom Made Aquariums
When choosing custom aquariums you will need to decide if you are going to keep freshwater or marine fish. There are many factors involved in setting up your fish tank and water quality is probably the most important.

Picking Out The Fishes For Your Very Own Custom Aquarium
Choosing the fishes for your custom aquarium should be fun. Go to a well stocked aquatic center when shopping for your new pets.

The Rigorous Demands Of Being A Customized Fish Tank Possessor
Owning custom fish tanks carries a lot of responsibility. Not only do you have to feed your fish and look after the water quality but you also must be their doctor and look after their health properly.

You Have To Be Thoroughly Educated Before You Can Manage To Have A Healthy Fish Tank
Education goes hand in hand with populating a custom fish tank. You cannot just expect to buy a load of new fish and watch them swim happily around all day.