They are the commonest,cheapest goldfish in my hometown.(0.5-3yuan each),and nearly every child have the experimence of keeping them.However,most people keep them just for fun.Because of the low price,many goldfish don't get much care,then they die soon.
I have "killed" eight fish.Things began to get better four months ago.Now all my fish are happy and healthy.
I changed 80% water yesterday,so the water may looks "brusgue“( I really don't kown how to express in English.)

This guy is special.If it is scared ,nervous or uncomfortable, its black will disappear,but turn back when it feels well

their food

some of their food and medicine

All the cost are from my pocket money,and I don't have money to buy snacks at weekends then.

The guy on the left WAS red.It's colur has stopped changing.
