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Koi Mixed-Stocking Pairing Tips and Methods for Selecting Toshi Koi
1. Male koi have better body shape than female koi: Although in the adult stage, female koi are more robust and aesthetically pleasing. However, at the toshi (first-year) stage, it is actually male fish that have a higher probability of being thick-bodied! Female fish only start sprinting again after reaching one year of age and entering their second or third year. Male...
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Which Koi varieties have good colors? Detailed guide to selection and culling methods
The culling of koi is mainly about eliminating poor fish and selecting good koi with ornamental value. So how do you cull to select top-grade koi with ornamental value? Culling koi is essentially about looking at the koi's body shape and red markings, and...
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Detailed Explanation of Selection Techniques and Variety Selection Factors for Taisho Sanke Koi Fry
Taisho Sanke koi fry selection. For the selection of Taisho Sanke, the first step is to select those with white showing at the tip of the snout, with relatively good distribution of red patches on the body, and with sumi (black) markings distributed both front and back. Those with sumi on the head or without red patches are not selected. Those in which red patches are faintly visible beneath the sumi on the back are good fish. If...
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How were koi selected back in the day? Let me teach you how to score koi
In 1962 (the 37th year of the Showa era in Japan), the first Niigata Prefecture Koi Show was held. The judging standards used at that time were summarized by Kawakami Masaru, Hiroi Makoto, Seki Kenichi, and Oryu Kenji, and have been passed down to this day. Table 1 stipulates that it applies only to sexually mature adult...
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What are the criteria for selecting koi? Beginners only need to master these few points to enter competitions
Beijing region scoring principles (total 100 points) 1. Body shape (40 points) The body shape is harmonious and well-proportioned, strong and powerful, with appropriate proportions of all body parts and no defects. 2. Texture (20 points) The color is bright, delicate, rich and glossy; the white base must be porcelain-white and clean....
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Detailed Guide to Selecting Tri-color Shusui Koi Fry
Introduction to Tri-color Shusui Koi. The Tri-color Shusui Koi is a member of the koi varieties. Although its name contains "Shusui", it does not belong to the pale-yellow Shusui variety. It is a type of Kawarimono (variant koi), with a beautiful and colorful appearance and smooth, bright skin, making the Tri-color Shusui hugely popular...
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Learn koi selection in three minutes; have you done a good job monitoring aquarium water quality?
Water quality monitoring is one of the essential steps in indoor koi keeping management. The main items in daily water quality monitoring include water temperature, pH value, salinity, dissolved oxygen, ammonia nitrogen concentration, nitrite, nitrate and bacterial count, metal ions, etc. When keeping koi...
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Tips for Selecting Young Koi and Introduction to Auxiliary Aquarium Equipment
1. Water storage bucket: When tap water or well water is used as the breeding water source, a water storage bucket must be kept on hand so the water can be aerated and oxygenated before use. 2. Water bucket, washbasin: Used for transporting koi, water, bait, etc.; the material of construction is not limited. 3. Rubber hose or plastic hose...
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How to select koi? Choose the right weather and time for water changes
Water changes also depend on the weather and the time of day, did you know that? Choose clear weather. In summer, do it at 7 ~ 8 AM; in spring and autumn, 9 ~ 11 AM is best. Hot season: sometimes water must be changed 2 times a day, once before the sun comes up in the morning and once in the afternoon...
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Koi selection and water cultivation methods, taught to you in three minutes
Is the water you use to raise koi at home the right kind? (1) Surface water: rich in dissolved oxygen, and the koi raised in it have relatively vivid colors. But it contains more impurities, is turbid, and the water quality very easily deteriorates, so it must undergo biochemical filtration treatment before use. (2) Groundwater: in the water...
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