space heaters

What Pet Fish Can Survive In Cold Water?

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Outside of the goldfish and the guppy, the zebra danio (Brachydanio rerio) is the most readily available of all the cold-water fish. Native to South Asia, they tolerate temps that fall into the mid-60’s and are very easy to care for. Long-finned species are available, as well as a popular leopard-spotted variety. Which fish is … Read more

Do Goldfish Prefer Cold Or Warm Water?

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Goldfish Water Requirements Considered cold water fish , goldfish can also be kept in heated aquariums. The optimum temperature for fancy goldfish is 68° to 74° F, while comets and shubunkins should be kept between 60° and 70°F. pH is not critical, but ideally should be between 7.0 and 8.4. Can goldfish live in cold … Read more