Also known as red carp, it belongs to the Cyprinidae family in biological taxonomy and is a freshwater fish in subtropical and temperate regions. It is a kind of ornamental koi fish evolved from wild edible carp. It is named for its bright colors and ever-changing patterns. The original species of koi is red carp. As an ornamental fish, red carp was very popular in the Ming Dynasty. It is said that koi originated from Longzhou koi in Guangxi, Jiangxi Xingguo red carp, and Zhejiang Hangzhou golden carp. It was introduced to Japan from my country in the early days. After long-term artificial breeding by the Japanese people, there are now more than 100 varieties. It is a noble ornamental fish. It has unique charm, gorgeous body color, chic and graceful swimming posture, and vigorous and heroic demeanor. It has won the love of more and more fish lovers and has been crowned with the reputation of "King of Ornamental Fish". Carp belongs to the family Cyprinidae in biology. Koi is a variant of carp. Its body shape is similar to carp. Its body is flattened and spindle-shaped. Its body surface has gorgeous colors and changing patterns. Its body is divided into three parts: head, trunk, and tail. There is a mouth at the front of the head, two pairs of whiskers at the corners of the mouth, eyes on both sides of the middle, a nose above the eyes, and gills behind and below the eyes. From the trunk to the tail, there are pectoral fins, dorsal fins, pelvic fins, anal fins, and caudal fins. The fish body is covered with scales. There is a lateral line on each side of the body from the rear edge of the gill cover to the tail peduncle. The mouth edge is toothless and has developed throat teeth. The difference between different varieties, in addition to color and patterns, is also the variation of their external morphology and scales. It is roughly divided into the following 13 categories: 1. Red and white koi: The body surface is silvery white with changing red patterns. It is considered to be the authentic koi in Japan. The surface of the fish is silvery white like snow, and it is inlaid with ever-changing red stripes. It swims in the clear and transparent water, which is extremely bright. The red and white pattern symbolizes the color of the Japanese flag, so it is most integrated with the Japanese meaning and is loved by the Japanese people. The red and white koi was bred by Ranki Gosuke in 1917 (Ranki is the place name, Gosuke is the store name). It is a male "sakura spot" fish with red spots all over the body and a female fish with red spots on the head. According to the number, growth, shape and location of the red spots, it is divided into: Red and white koi 1. Two-stage red and white koi: On the white fish body, there are two sections of crimson spots, like red sunset, bright and eye-catching. 2. Three-stage red and white koi: There are 3 sections with red spots on the back of the fish body. 3. Four-stage red and white koi: There are 4 bright red spots scattered on the silvery white fish body. 4. A red koi: On the strong fish body, a beautiful red stripe is formed from the head to the sound stem. 5. Lightning pattern red and white koi: There is a red stripe on the fish body from the head to the sound stem. The shape of this stripe is just like the curved lightning light in a thunderstorm, which is wonderful, hence the name. 6. Fuji red and white koi: There are silver-white granular spots on the head of the red and white koi, just like the snow on the top of Mount Fuji. However, this spot only appears on 1-year-old or 2-year-old fish, and sometimes disappears when it grows up. 7. Napoleon red and white koi: The stripes on both sides of the fish's abdomen resemble the hat worn by French ruler Napoleon. 8. Goten Sakura koi: Small red spots gather into grape-shaped patterns, evenly distributed on both sides of the fish's back. 2. Taisho three-color koi: The fish body has a snow-white base color, and scarlet and black stripes emerge. 1. Lipstick three-color: Taisho three-color with small red spots on the mouth. 2. Red Three-color: The Taisho Three-color has continuous red stripes from the head and back to the tail. It gives people a strong visual feeling, but the taste is not high. 3. German Three-color: The Taisho Three-color of German carp is called. There are also three-colors classified as clothes, three-colors of deer and three-colors of autumn green are classified as variant carp, and three-colors of big brocade are classified as patterned carp. The three-colors of gold and silver scales and red-crowned tricolors are classified as gold and silver scales and red-crowned respectively. 3. Writing carp: The fish body is black as the base color, with triangular white, red or yellow stripes on it. 1. White writing carp: Its triangular stripes are white. This fish is clearly black and white. 2. Yellow writing carp: Its yellow stripes are golden and shiny. 3. Red writing carp: Its triangular stripes are orange-red, and the pectoral fins also have red stripes. 4. Showa three-color carp: The fish body is black as the base color, with red and white stripes on it. 1. Light black Showa Koi: All scales of the black part are light black, dignified and elegant. 2. Red Showa Koi: There are large areas of red spots from the head to the tail on the black background. 3. Modern Showa Koi: The fish body is still composed of black, red and white, and white is the mainstream, with bright colors. 4. German Showa Koi: A hybrid of mirror carp and Japanese Showa. 5. Behuan Gaoguang Koi: Black spots appear on different backgrounds of white, red and yellow. 1. White Behuan Guang Koi: Taisho Sanshoku removes the red spots to get white Behuan Guang, that is, Koi with black spots on a white background. The base color of the fish body is pure white, and the black spots on it are pure black and dark in color. They are distributed on the trunk and the tail peduncle, and the black and white are the same. The color is extremely bright and beautiful. 2. Red Behuan Guang Koi: The base color of the fish body is red, and there are black spots on the back, which is called "Red Behuan Guang". 3. Huangbieguang Koi: The yellow fish body is dotted with inky black spots, which are called Huangbieguang. 6. Light yellow Koi: The back is dark blue or light blue, while the outer edge of the scales is white, and the left or cheek, abdomen and base of each fin are red. 1. Water light yellow Koi: This is the lightest color among the light yellow Koi. 2. Dark blue light yellow Koi: The body of the fish is bright dark blue, and it is one of the well-known varieties. 3. Minghai light yellow Koi: It is the most representative variety of light yellow Koi. The center of its scales is dark blue, while the edges of the scales are light blue. The two colors complement each other, like ripples on the lake, touching the heartstrings. 4. Qiucui Koi: This variety is a hybrid strain. There is a line of closely arranged scales on the back of the fish, extending all the way to the tail of the fish. source |
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