Picture Comet Goldfish
The Comet Goldfish is a commonly kept form of goldfish, the only
type to have originated in the United States.
Characterized by a long, tall, flowing tailfin, they can be
differentiated from the common goldfish, although otherwise they
are very similar.
Both of these varieties are quite hardy and will do well in an
outdoor pond, as well as in indoor cool-water aquariums; however,
they should not be kept in "goldfish bowls", as they
grow much too large and require frequent water changes and/or filtration.
There are also several different varieties of Comet including the
Sarasa comet which has a red and white pattern. They are often sold
inexpensively as food for larger fish, although a diet of live
goldfish is probably not healthy for many of the fish they are
fed to, such as cichlids or moray eels, neither of which would
consume goldfish in their natural environment; indeed, morays
live in salt-water and so do not normally eat freshwater fish.
Comet Goldfish have a lifespan of approximately 7 to 14 years, although
they may live much longer under exceptional circumstances
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