Traditional Culture Encyclopedia - The 24 Solar Terms - The difference between koi fish and Cao Jin.
The difference between koi fish and Cao Jin.
Fish discussion
1, grass goldfish: grass goldfish is the most primitive goldfish, also known as golden crucian carp, red crucian carp and so on. Fish belonging to the animal kingdom, chordates, teleost, CYPRINIDAE, and crucian carp are actually formed by gene mutation of common crucian carp.
2. koi fish: koi fish is a famous ornamental fish, also known as red carp and reindeer. Biotaxonomy belongs to the animal kingdom, chordates, teleost, CYPRINIDAE, CYPRINIDAE, CYPRINIDAE. It originated in China, flourished in Japan and returned to China.
feeding habits
1. Grass goldfish: Grass goldfish is an omnivorous fish, which mainly feeds on algae, aquatic insects, zooplankton and plant roots, fruits and debris. Under the condition of artificial feeding, red worms, rice, bread and compound pellet feed can be used for feeding. The survival water temperature is 0 ~ 39℃, the optimum water temperature is 18 ~ 26℃, and the feeding water temperature is 8 ~ 36℃.
2. koi fish: koi fish is an omnivorous fish, which mainly feeds on algae, aquatic insects, crustaceans, benthos, roots, fruits and debris of plants. Under the condition of artificial feeding, red worms, bread crumbs and compound pellet feed can be used for feeding. The survival water temperature is 0 ~ 36℃, the optimum water temperature is 18 ~ 26℃, and the feeding water temperature is 8 ~ 30℃.
morphological character
1, grass goldfish is small, 15~30 cm, tall and flat, with bulging abdomen.
2. koi fish is large, 50~ 150 cm, round and a little fat.
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