There are a few species that can survive alongside goldfish, including Zebra Danios and White Cloud Mountain Minnows. These fish should never be added to a goldfish tank if the goldfish inside are larger than they are, since large goldfish may eat them. Goldfish should optimally be kept in a tank only with other goldfish.Continue Reading
Experts warn that the unique needs of the goldfish can't be adequately met with other types of fish in the same tank because goldfish really thrive best with other goldfish in low-temperature tanks. Never mix tropical fish with goldfish since tropical fish need a warmer tank and have different nutritional requirements to goldfish, which makes it impossible to feed both types of fish adequately. Goldfish are also fast eaters, often pushing slower, smaller fish out of the way in order to eat.
Goldfish are considered peaceful fish, while many types of tropical fish can be aggressive. Keeping goldfish and tropical fish in the same tank together can cause injury to the goldfish, including nipped fins and more serious bites.
Because goldfish are social creatures and enjoy company, it is a good idea to keep them together with other goldfish of similar size and shape. Keeping different species of goldfish in one tank is also not recommended.Learn more about Aquatic Pets
According to Encyclopaedia Britannica, the goldfish, a member of the carp family that originated from ponds in East Asia, is an egg-laying fish. A fish that lays eggs cannot be pregnant, and therefore no special designation exists for a pregnant goldfish.Full Answer >
Goldfish eat smaller fish as long as they fit in the goldfish's mouth. Goldfish do not have a picky diet. They eat a lot and go for whatever they can find that will fit in their mouth. This includes everything from fish flakes to other small fish.Full Answer >
One parrot fish fact is that in some species, nearly all of them are born female. At this phase in their lives, the parrot fish have drab colors. As they mature, they acquire brighter coloration, and some females turn into males. In the last, terminal phase, all of the parrot fish are male. At this point, they have brilliant green and blue coloring.Full Answer >
The right water temperature in an aquarium depends on the species of fish inside the aquarium. For instance, the water for tropical fish should be between 75 and 80 degrees F, while the water temperature for cold water fish should be well below 70 degrees F.Full Answer >