Characteristics and How to Keep the East Tenko Medaka

The eastern red-bellied killifish has a vermilion-red body color and a glowing back. Its body color and glowing back are reminiscent of the rising sun, giving it the name "Dongtianhong" (meaning "the eastern sky is about to dawn"). The Dongtianhong killifish is the hikari form of the Yangtze killifish. In this article, I would like to explain in detail the characteristics of the Dongtianhuang killifish and how to keep it.

What is Totenko Medaka?

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The eastern red-bellied killifish has a vermilion-red body color and a glowing back. Its body color and glowing back are reminiscent of the rising sun, hence its name, Dongtianhong (the appearance of light in the eastern sky as dawn is about to break).The Dongtianhuang killifish is a hikari-bodied form of the Yangtze killifish. The characteristic of the hikari body shape is that the dorsal and tail fins are the same shape, and the tail fin is rhombic in shape. The dorsal and anal fins of the common killifish are different in shape, and the caudal fin is triangular. The fin-shaped tail fin is very popular because of its beautiful appearance when it swims.

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The lame killifish is a killifish that has a shiny, glittery sheen on one part of its body or its entire body. Lame killifish are crossed with various varieties, resulting in a wide variety of lame killifish. For example, there are three-colored lame stemmed killifish and amber lame stemmed killifish. This time [...].

Origin of the East Tenko Medaka

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The East Tenko killifish was created by Mr. Yukio Oba in 2005. However, a vermilion-red body-colored hikari-bodied individual was produced in the process of fixing the Yangtze killifish.After the Yang-Pei killifish was fixed, only the hikari body type was selected and fixed to become the East Tenko killifish. Therefore, it can be seen as a byproduct of the process of fixing the Yang-Pei killifish.

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Points to keep in mind when mixing swimmers

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About Mixed Swimming,Some people often think that killifish can only be kept in the same species, but the real appeal of killifish is in combining them. If you are not particular about this, you can mix any kind of killifish with any other kind of killifish.However, it is best to be careful with killifish of different body types (e.g., Dharma killifish and Hirena killifish). If killifish of different body types are mixed with killifish of normal body type, problems such as inability to eat food may occur. However, there are people who mix killifish of different body types with those of normal body types, so there is no need to be concerned.However, each type of killifish, which is considered a high-end killifish, has its own distinctive appearance and shine, so it is recommended to keep them in a way that allows the enjoyment of each individual (type) rather than keeping them in many different species.

Points about spawning

The point about spawning was explained in the above section that keeping a variety of species is the best part of keeping killifish, and having various species swimming together when spawning will naturally produce killifish with the characteristics of various species. However, that is not always a good thing. For example, mixing red and white killifish can produce pink killifish, but not necessarily red or white killifish, or in the worst case, killifish with a color that is hard to describe. If you want red killifish, you should keep only red killifish because the probability of producing red killifish is much higher,I recommend that you think about what kind of killifish you want when spawning and what color and shape you want your killifish to be born, so that you will have less regret and confusion when raising them and find your own way to enjoy them.If it is just a hobby, I think you will enjoy it more if you stick to the methods that you enjoy, regardless of whether people complain about them. The following page explains the method of spawning and points to note, so please read it as well.

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Points to keep in mind when keeping killifish in the East Tenko Medaka

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Dongtianhuang killifish are often compared to the Yangtze killifish. This is because of its origin and appearance. However, since the Dongtian red killifish has a hikari body shape, it is completely different in that its tail fins are rhombic and its dorsal and anal fins are the same shape. Also, since the back of the killifish is shiny, it is recommended that you look at it from the top rather than the side so that you can see its features more clearly.When looking for Dongtianhong killifish online or in specialty stores, you may see two different designations: "Dongtianhong killifish" and "Dongtianhong killifish. There is no major difference between the two, as they both refer to the Yangtze River Hikari body type, but the two designations are most likely due to the fact that they were separated in the process of spreading throughout the world. Dongtianhuang killifish is not the more widely distributed type. It is also not well known among killifish, but you can find it at some specialty stores. If you find one, check the shape of the tail fin and the shiny part of the back.

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The golden killifish is a killifish with a golden body color. The golden killifish is one of the oldest varieties of killifish, but it is still very popular. It is the origin of the vermilion-red (e.g., the Yang-Pei killifish) and the amber (e.g., the amber killifish). In this issue, we will introduce you to the [...].


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The amber killifish has a reddish brown body color with a bright orange tail. Although its reddish-brown body color is inconspicuous, the amber killifish has a fascinating charm that draws people in, just like the jewelry amber. In this article, we will explain in detail the characteristics of the amber killifish and how to keep it [...].

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