The best appearance characteristics of goldfish should be: healthy and well-proportioned, scales shining and neatly arranged, rich and pure colors, and bright eyes.
When buying goldfish, you can observe whether its appearance conforms to these characteristics. A healthy and symmetrical body can be observed from the side, shiny scales can be carefully observed from the sunlight, rich and pure colors can be seen from the overall tone and color matching of each part, and bright eyes can be observed from the transparency and brightness of the eyeball.
2. Water quality environment
The best living environment for goldfish is an aquarium with clean water, suitable temperature and sufficient oxygen.
When keeping goldfish, you must filter with appropriate filter material to ensure clean water quality. The water temperature should be controlled between 18℃-25℃, and oxygen can be increased by air stone or water pump.
3. Feed feeding
The best feed for goldfish is fish-specific feed suitable for its nutritional needs and pollution-free, or a proper amount of natural food, such as insects, water fleas and so on.
When raising goldfish, we should pay attention to the type and quality of feed, avoid overfeeding or underfeeding, and pay attention to changing the water quality and cleaning the fish tank regularly to ensure the healthy growth of goldfish.
4. Variety selection
The best varieties of goldfish are those with good quality and ornamental value, such as pearl fish, whitebait and grass carp.
Different varieties of goldfish also have differences in appearance, habits, tolerance and so on, which need to be selected according to their own preferences and conservation conditions. At the same time, get goldfish directly from the legal aquarium market or breeding base to avoid buying illegally smuggled goldfish.