Koi is not suitable for mixing with tropical fish. The specific reasons are as follows:
1. The preferred water temperature is different: Koi is a cold-water fish, which is most suitable for living in water of about 23-25 degrees, while tropical fish generally like water of about 28 degrees. Temperatures that are too high are not healthy for koi.
2. Different temperaments: Koi have a mild temperament and prefer to live in groups. But many tropical fish are more ferocious, easy to fight for food, and more lively personality. If kept together, koi will often be frightened, which is not conducive to growth.
3. Different water quality: Koi likes weak alkaline water, while many tropical fish like weak acidic water. In addition, Koi has a high demand for oxygen, eats a lot of food and excrement, which is easy to pollute water quality. Such water is not conducive to the growth of tropical fish.
4. Different food: Koi is an omnivorous animal and can eat a wide range of food. Tropical fish generally have special feed for tropical fish, and they eat different foods, so they can not be mixed.
? Koi is more suitable for goldfish, because goldfish has a mild temperament, and its requirements for water temperature, water quality and food are similar to those of Koi. As long as there is enough food, there will be no fighting.
