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What are the "Big Three" and the "Big Four" Japanese koi varieties? WWD Fish Notes
After koi were made a viral sensation on Taobao last year, koi, after lying quiet for many years, have slowly returned to the public eye. What we call koi generally refers to Japanese koi with distinct characteristics, also known as KOI, while varieties with color that is not vivid are called "local cannons." In other words,
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Koi Water Change Frequency and the Symptoms and Treatment Methods of Red-Skin Disease
In the process of raising koi, red-skin disease is also a common disease, but for a beginner, they may never have encountered such a situation at all. However, in this article today, we will give everyone a brief introduction to the treatment methods for koi red-skin disease...
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Symptoms and Prevention of Koi Side Sipi Trematode Parasite Disease
Side sipi trematodiasis, also called closed-mouth disease, is caused by the Japanese side sipi trematode (Asymphylodora japonica) parasitizing the front part of the intestine of fish. The worm body is small and flat, nearly oval, measuring 0.53-1.3 micrometers × 0.21-0.52 mm, with small spines covering the body surface. The oral sucker is located at the subanterior end, followed by the prepharynx, pharynx, and two ceca of the esophagus.
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Koi fish farming: pay attention to the growth environment of Ichthyobodo and the prevention and treatment of parasitic diseases
Below we introduce the growth environment of Ichthyobodo, so that we can gain a deeper understanding of its characteristics. Ichthyobodo has extremely strong adaptability to the environment, and its main suitable water temperature is 12-20°C. The victims of Ichthyobodo disease outbreaks are mostly young fish; the younger the juvenile...
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Koi lying at the bottom of the tank? Or is it a skin and scale disease like red-skin disease?
Red-skin disease is also called hemorrhagic putrefaction disease, red-skin plague, scale-erosion plague, or fin-rot disease. Symptoms: the diseased fish's scales fall off (which distinguishes it from skin inflammation and congestion disease), especially obvious on both sides and the belly. The diseased fish's skin is locally or largely inflamed and congested, and the bases of the fin rays of the dorsal fin, caudal fin, and other fins...
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How to Choose Koi, and 5 Methods and Tips for Raising Koi
Koi have a robust and handsome build, brilliant colors, varied patterns, and a majestic swimming style, giving them extremely high ornamental and keeping value. Their body length can reach 1-1.5 m. Koi are distinguished by different colors, patterns, and scales. Among them, the Butterfly Koi was only successfully bred in the 1980s, with...
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Which Koi Varieties Have the Best Colors? A Detailed Care Guide
Koi have a sturdy, well-proportioned physique, brilliant colors, varied patterns, and a majestic swimming style, giving them extremely high ornamental and keeping value. Their body length can reach 1-1.5 m. Koi are distinguished by different colors, patterns, and scales. Among them, the Butterfly Koi was only successfully bred in the 1980s, and is known for...
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How to distinguish Maruten Kohaku from Tancho Kohaku
Introduction to Maruten Kohaku: When we admire Kohaku, if we see that the head of the Kohaku shows a round red patch, then we call this kind of Kohaku "Maruten Kohaku." It should be stressed here that no matter how the red patches on the body of the Kohaku appear, as long as the head forms a "maruten" red patch, it is called Maruten Kohaku.
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What color characteristics do Hanatsuki Kohaku koi have?
Introduction to Hanatsuki Kohaku / Senbari Kohaku koi. Hanatsuki Kohaku, also called Senbari Kohaku, has a red patch on the head that connects with the red patch on the mouth, with no interruption between them; this is called Hanatsuki Kohaku. The red patch on the head of a Hanatsuki Kohaku must run through to the mouth, while the body portion can appear...
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What is the difference between a mask kohaku and a kohaku?
Introducing the mask kohaku. A mask kohaku is a kohaku whose entire head is covered by a red patch while the rest of the body has a red-and-white combination. Appreciating the mask kohaku. As people's appreciation standards keep shifting and flowing and aesthetic views keep being renewed an...
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