natasha cape town
Aquarium Advice Newbie
Hi, new to this site so hope I am doing this correctly! I recently purchased several fan tail goldfish. After a week, I notice one of them is is acting lethargic, remains at the surface and seems to be pushed around by the movement of the water rather then swim. He is eating and shows no outward signs of disease. I have medica general tonic - shall I use this? Any ideas of what is wrong with the fish? Thanks,