Koi come in different kinds of color, but not a lot of information has been read or heard about black koi. It comes in different varieties and in different names. Koi fishes come in brilliant and vivid combinations of white, red, orange, and black colors among some others. Names such as Kawarimoro (non metallic koi), Asagi (pale blue koi with red belly and fins), and Kohaku (white in color with red markings) are just some of the popular species of the koi. Only the full black colored koi are able to bequeath their unique color. Here, you can learn a bit more about this truly unique kind of koi.
Japan, Malaysia, China.. and so an or all eastern countries where you can find the special black koi. It can grow as long as 36 inches or approximately 3 feet. Black koi can live for a very long time, longer than 200 years. But most of the time, they live for about 25 to 35 years. These traits make Black Koi one of the rarest qualities of all koi.
The male species of a black koi can be easily recognized by their concave anal section and at times, you can spot some breeding marks on their head. The black Koi produce more than 1 thousand eggs. The water temperature is important for the fish spawn; They will surge in four to seven days. You can feed the fry with small live foods or preferably frozen daphnia on its 3rd to 4th week. At that time, Change their diet in small baby steps into crushed flakes and pellet foods. Do not worry though if you haven’t seen any color yet when it is still young; the color will be gradually visible within 3 to 12 weeks.
In taking care of your black koi, you must know the basic necessities for the fish in order for it to survive longer. The preferable setup for a Black Koi to live is a pond that can carry a thousand gallons or plus.  It is also advisable to put some gravel or rocks on top of the soil in the potted plants inside the pond. This is to ensure that the koi will not dig up on the plants and can cause further damage and mess, since koi are known to eat plant’s roots and live creatures in it. Just like any other koi ponds, it needs proper filtration, in order for the water to be clean and suitable for koi.
Feed black koi with the diet that most koi fish follow, but you can feed black koi with quality pellet or flake food. The general rule there would be the higher the price, the better the quality of the food.
Black koi can be aggressive eaters at times. But in due time, black koi can be a friendly pet and in much longer – but not sooner, it can be taught to eat food from your hand.