金鱼能长大吗。金鱼可以长到约30厘米，寿命约10年。为了让金

金鱼能长大吗。金鱼可以长到约30厘米，寿命约10年。为了让金鱼健康成长，我们需要注意以下四个方面。经常更换水，以确保水中有足够的溶解氧

2。有必要将金鱼缸放在阳光直射的地方，或者在金鱼缸中安装紫外线灯，这样可以有效地杀死水中的细菌

3。营养均衡。建议使用常规的鱼类饲料，以便金鱼能够获得均衡的营养

4。生命密度，由于生存环境有限，应该仔细考虑喂养多少条金鱼

Can goldfish grow up. Goldfish can grow up to about 30 cm and live for about 10 years. To make goldfish grow up healthily, we need to pay attention to the following four aspects

1. Change the water frequently to ensure that there is enough dissolved oxygen in the water

2. It is necessary to put the goldfish tank in a place where the sun can shine directly, or install ultraviolet light in the goldfish tank, which can effectively kill bacteria in the water

3. The nutrition is balanced. It is recommended to use regular fish feed so that goldfish can have balanced nutrition

4. Life density, due to the limited living environment, how many goldfish to feed should be carefully considered