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How to Choose Koi? A Guide to Finding the Right Water Temperature for Them
There are two main categories of temperature control equipment: heating equipment and cooling equipment. (1) Heaters. There are two types of electric heaters: one is an ordinary electric heating tube, and the other is an automatic temperature-control electric heater. The latter can effectively regulate water temperature automatically, but its price is relatively high. At present, keeping...
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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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Which koi varieties are said to have spiritual quality? A complete guide for beginners on selecting tategoi
Easier said than done - when it comes to selecting tategoi, this saying truly fits. The act of selecting requires not only years of practice and experience, but also a good eye (discernment). Since everyone's eye differs, this...
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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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What Are the Morphological Characteristics of Tefun Koi? A Detailed Guide
Tefun Koi Introduction: Bred by crossing Hikarimuji koi of different colors, Hikarimuji being single-colored metallic koi, Tefun koi have no black markings, and their scales are made up of two other colors, making them a glowing koi. The glowing effect is very obvious under light, and can also be seen when observing the head of the koi.
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Is Koi Scratching Against the Tank a Sign of Saprolegniasis? A Detailed Guide to Koi Keeping Methods
Is koi scratching against the tank a sign of saprolegniasis? First, let us understand the symptoms of saprolegniasis. Water mold is widely found in freshwater or brackish water bodies and moist soil around the world. It lives as a saprophyte on dead organic matter and is a commonly present mold, mainly including the order Saprolegniales...
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Koi Fish Disease Symptoms and a Detailed Guide to Treating White Spot Disease
Koi white spot disease symptoms are caused by a relatively large protozoan ciliate visible to the naked eye -- Ichthyophthirius multifiliis. It parasitizes the skin, fin rays and gill tissue of koi, feeding on the epithelial cells of the koi. In severe cases, the whole body skin and fin rays...
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How to Keep Koi Fish? Common Breeding Mistakes and a Complete Guide to the Causes and Prevention of Tail Rot Disease
Koi Tail Rot Disease and Hole-in-the-Head Disease. The disease is contracted through skin infection after the tail fin is injured. Symptoms: In the early stage of the disease, there is a yellow or yellowish-white viscous substance on the outer edge of the fin and the caudal peduncle; then the tail fin and caudal peduncle become congested, inflamed and ulcerated. In severe cases, the tail fin rots away, and the ulcerated area...
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A detailed guide to the living habits of Five-Color Koi, and how to keep them so they do not die easily
Five-Color Koi are produced by crossing Pale Yellow Koi with Tricolor Koi, and are named "Five-Color" because they carry white, red, black, and indigo on their bodies. Among White Five-Color koi, those with a particularly beautiful red pattern are considered the best. In recent White Five-Color koi, rather than polluting the red pattern with black speckled markings, most show blue emerging on a white base. What is...
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How Are Koi Scored? A One-Minute Guide to the Life and Breeding Habits of Koi
Lifestyle Habits The suitable water temperature for koi is 530°C, with the optimum temperature being 2025°C, but they are not very adaptable to rapid changes in water temperature. If the temperature rises or falls by more than 3°C, the fish will become ill; if it exceeds 10°C, the fish will die. They can be kept in water with a pH of 6.88.0...
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