Goldfish is an omnivorous and carnivorous freshwater fish with developed throat and teeth, which can swallow hard bait. Goldfish has a strong adaptability to water temperature, but it can't adapt to the drastic change of temperature. Its suitable water temperature is 18-26℃. Too high or too low temperature will affect the feeding, growth and reproduction of goldfish. Goldfish like weak alkaline water, and the pH value of water is 7.5-8.0.
Extended data
Goldfish species:
1, rabbit fish
Rabbit fish can grow up to more than 10cm, with an oval body and a flat side. I like to live in streams, rivers, ponds, rice fields and other slow or static waters, mostly in shallow waters such as mountain ponds, rice fields and springs, and feed on invertebrates.
2. Goose-headed red goldfish
Goose-headed red goldfish is also one of the most legendary goldfish species in China. Goose-headed red goldfish is actually a misnomer. Its original name should be red forehead. As the name suggests, the head tumor on the forehead is red. Frontal red is one of the advanced breeds of goose and tiger head, which is characterized by red top and white body, clean cheeks, high head and dense and developed terminal tumors.
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