The difference between grass carp and koi

There are huge differences between grass goldfish and koi in terms of shape and appearance. For example, grass goldfish is conical in shape. There are other varieties, which are generally suitable for breeding in parks and places with relatively large natural waters. Koi is original in shape and can grow in many kinds of water. It has no environmental requirements and can be raised at home.

Morphological characteristics of Grass Goldfish 1. Grass Goldfish: commonly known as red crucian carp or golden crucian carp, it has a spindle-shaped body, an unforked tail fin, and normal dorsal, ventral, pectoral and anal fins. It has a strong physique, strong adaptability, a wide range of diet and is easy to raise. In addition to red, the body colors also include red and white, and five-colored. It is suitable for large-scale breeding in parks and natural waters, and can also be raised in courtyard tanks and aquariums.

Koi carp morphological characteristics Koi carp originated in Central Asia and was later introduced to China. In ancient China, court technicians used the methods of breeding goldfish and koi carp to select a variant variety that conforms to the public's aesthetic taste. It was introduced to Japan in modern times and flourished in Japan. Many fine varieties were bred in Japan, and therefore many koi are named after Japanese names. It is the national fish of Japan and is known as the "living gem in the water" and the "king of ornamental fish". Koi have a strong physique, bright colors, varied patterns, and majestic swimming posture, and have extremely high ornamental and breeding value. Its body length can reach 1-1.5 meters, and its lifespan is extremely long, at 60-70 years (according to legend, there are koi that are 200 years old). It symbolizes good luck and is said to bring good luck to its owner. It is a popular Feng Shui fish and ornamental pet.