What temperature can goldfish live in? What water temp is too hot for goldfish? Otherwise, your fish might not grow as well. If your water temperature is below 20☌ (68 ☏) we recommend buying a heater. However, we’ve already talked about how some temperatures are better than others, and how you’ll need to vary your temperature in order to breed your fish.
They can live in such a wide range of temperatures (more on this later!) that they will survive quite happily without a heater in most home aquariums. Then, when you want to induce breeding, gradually raise the temperature of your tank water to between 20☌ – 23☌ (68 ☏ – 74☏).įind out more about breeding goldfish and baby goldfish.
Gradually lowering the temperature to around 12☌ / 54☏ is ideal. To encourage your goldfish to lay eggs, you should lower the temperature of your tank in the winter. Goldfish spawn in the spring, when water temperatures rise after the cold winter. Rather than maintaining a steady temperature all year round, you should try to replicate the temperature changes that occur in nature. If you are, you’ll need to manage your tank water temps a little differently. The advice above assumes you aren’t attempting to breed your goldfish. Unless you plan to breed your fish, you should keep your tank water temperature as stable as possible all year round. Goldfish don’t like sudden changes in temperature. This temperature will be high enough to encourage strong growth, but without being so high that your fish become stressed by hot water and low oxygen levels. 5 Similar Goldfish Tank Posts What temperature should goldfish water be?Ī tank water temperature of between 20☌ – 23☌ (68 ☏ – 74☏) is an ideal temperature for goldfish.
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