锦鲤的一般特征

锦鲤的一般特征

锦鲤是一种具有高观赏价值的鱼类。它因其美丽的颜色而被称为“水中的活宝石”和“游泳艺术”。它在日本广泛生产和繁殖，近年来在中国广泛繁殖，然后进入市场，成为水族宠物中不可或缺的一员。锦鲤属于鲤形目、鲤科、鲤科和鲤科。这是一种温度很宽的鱼。最适水温为5～30℃，最适温度为21～27℃。然而，对水温快速变化的适应性并不强。如果温差在3~5℃以上，鲤鱼就会生病：鲤鱼适合pH值为7.2~7.4的弱碱性水；此外，水中铁离子、氯离子、硫酸根离子等含量低，溶解氧充足，硬度低。锦鲤是杂食性的。常见的软体动物、水生植物、底栖生物和微藻是锦鲤的美味佳肴。锦鲤是一种产卵动物。雄鱼在2岁时成熟，雌鱼在3岁时成熟。它们每年产卵一次，通常在每年的4月至6月。锦鲤的寿命很长，一般可达70年。目前，最大的锦鲤重达45公斤，身长超过150厘米。锦鲤被称为“水中的活宝石”

锦鲤也可以分为很多种。有两种分类方法，根据鳞片的不同，锦鲤可分为两类，即普通鳞片型和无鳞片或无鳞片型。无鳞锦鲤被称为德国系统锦鲤。这是一种将从德国引进的无鳞皮鲤鱼和无鳞镜鲤与锦鲤杂交而成的品种。根据条纹的颜色，锦鲤可分为三类，即单色锦鲤，如金色锦鲤等；双色型，如红白锦鲤、书写型锦鲤等；三色品种，如大成三色锦鲤（细节）、昭和三色锦葵等。锦鲤体表颜色主要有天蓝色、银灰色、鲜红色、金黄色、淡黄色、乳白色和五朵花。根据各种特征，锦鲤一般分为13个类别，每个类别根据锦鲤体表颜色和斑纹的不同分为许多品种。评价最高的菌株是红白、大正三色和昭和三色锦鲤。锦鲤也是好运的象征。在中国文化中，它被称为“幸运鱼”。凭借其独特而美丽的外观，感兴趣的伙伴应该迅速开始

General characteristics of koi

Koi is a fish with high ornamental value. It is known as "living gemstone in water" and "art of swimming" because of its beautiful color. It is widely produced and bred in Japan, and widely bred in China in recent years, and then entered the market, becoming an indispensable member of aquarium pets. Koi carp belongs to Cypriniformes, Cyprinidae, Cyprinidae, Cyprinidae, and Cyprinus. It is a kind of fish with wide temperature. The optimum water temperature is 5~30 ℃, and the optimum temperature is 21~27 ℃. However, the adaptability to the rapid change of water temperature is not strong. If the temperature difference is above 3~5 ℃, the carp will get sick: the carp is suitable for the weakly alkaline water with pH value of 7.2~7.4; In addition, the content of iron ion, chloride ion, sulfate ion, etc. in the water is low, the dissolved oxygen is sufficient, and the hardness is low. Koi carp is omnivorous. Common molluscs, aquatic plants, benthos and microalgae are the delicacies of Koi carp. Koi carp is an egg-laying animal. The male fish is mature at the age of 2, and the female fish is mature at the age of 3. They lay eggs once a year, usually in April to June every year. The life span of koi is very long, generally up to 70 years. At present, the largest koi weighs 45 kg and is more than 150 cm long. Koi carp is known as "living gem in water"

Koi carp can also be divided into many kinds. There are two ways to classify it. According to the difference of scales, Koi carp can be divided into two categories, namely, common scale type and non-scale or less-scale type. Scaleless or less-scaly Koi is called the German system Koi. It is a breed bred by crossing the non-scaled leather carp and less-scaly mirror carp introduced from Germany with Koi. According to the color of the stripes, the koi can be divided into three categories, namely, the monochromatic category, such as the golden koi, etc; Bicolor type, such as red and white koi, writing type koi, etc; Three-color species, such as Dacheng tricolor koi (details), Showa tricolor koi, etc. The body surface colors of koi mainly include sky blue, silver gray, bright red, golden yellow, light yellow, milky white, and five flowers. According to various characteristics, koi is generally divided into 13 categories, and each category is divided into many varieties according to the difference of body surface color and markings of koi. The highest evaluated strains are red and white, Dazheng tricolor and Showa tricolor koi. The koi is also a symbol of good luck. It is called "lucky fish" in Chinese culture. With its unique and beautiful appearance, interested partners should start quickly