QuestionHi, my goldfish is swimming upside down, the gills are moving, mostly it floats on the surface. What can i do?
AnswerHi Penny;
He has gas in his belly. Feed him cooked and peeled green peas until it passes.
Goldfish develop this quite easily from many possible causes. They eat too fast and get the food in their belly while it is still too dry, they swallow air with their food, or they simply overeat. It can also be caused by living in crowded or inadequate conditions. Keep his water clean and make sure he has a big enough tank.
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Chris Robbins
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