田螺最喜欢在肥水里生长,把一些田螺投入金鱼缸内,田螺可把金鱼排出的粪便吃得干干净净,起到清除沉垢的作用。由于田螺排出的粪便也会污染缸内的水,所以应在金鱼缸内造些小假山,再在缸内放些青 Snail most like to grow in the fertilizer, put some snail into the goldfish tank, snail can excretion of goldfish eat clean, play a role in clearing dirt. Because the snail excrement will also pollute the water inside the tank, so should make some small rockery in the goldfish bowl, and then put some green in the cylinder