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Goldfish
Goldfish are a popular addition to many garden ponds. They are a small, cheap and colourful coldwater fish making them one of the most popular pond fish available. There are also many different variations of goldfish although not all are hardy enough to survive in an outdoor pond. Goldfish eat mosquito larvae and so are useful when a pond has a mosquito problem. Goldfish can survive if ice forms on the surface of the pond for a short amount of time as long as there is oxygen remaining in the water and the pond does not freeze solid. If the pond is likely to freeze solid, then the goldfish must be removed or they will die. During winter goldfish slow down and stop eating, often keeping to the bottom of the pond. This is normal and their activity increases again in the spring. A filter and some plants are essential for the care of the fish as they keep the pond clean and oxygenised and the plants provide a food source for the goldfish.
Goldfish can live in ponds along with other coldwater fish. Goldfish can quickly over breed and unless the excess eggs are removed, the pond will become overstocked with goldfish. Some other varieties of fish such as orfe eat goldfish eggs which is a suitable solution to this problem.
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