Common Goldfish Characteristics, Diet, Breeding

The Common goldfish is the simplest variation of all goldfish varieties. It is also known as Feeder fish or Feeder goldfish.

As the name suggests, it is the most common goldfish variety around the world. Most of the modern goldfish varieties were derived from the Common goldfish, which doesn’t look that much different from it’s wild ancestor other than the colors.

The Common goldfish are one of the hardiest goldfish varieties and they are recommended for the beginners.

They are popular and widely available throughout the world. Read some more information about this goldfish variety below.

Common Goldfish Characteristics

Body of the Common goldfish is elongated and flat. Their head is short but wide and they have a smooth tampering body shape from it’s back and belly to the base of the caudal fin. The fins of these fish are generally fully erect and the edge of the dorsal fin is slightly concave.

Generally the Common goldfish come in a variety of colors. Their common coloration includes calico, black, orange, white and yellow.

But the most common variation of these fish is a shiny-orange, and the second most common coloration is a mix of white and red. Yellow and white coloration are rare, but fully black is uncommon.

Average body length of the mature fish is around 12 inches. Photo and info from Wikipedia.

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The Common goldfish are omnivorous just like many other goldfish varieties. They will eat almost everything offered.


Unlike many other goldfish varieties, breeding the Common goldfish is relatively easy.

The male will develop small white spots on his gill covers and the female will become plump in breeding conditions.

The male will generally chase the female until she releases her eggs. After releasing the eggs, the male will release milt and they will become fertilized.

On an average, a female can produce up to 1,000 eggs per spawning.


The Common goldfish are ornamental fish species. They are raised mainly for ornamental purpose and also good for raising as pets.

Special Notes

The Common goldfish are well known by all aquarists. They are inexpensive, readily available and very colorful fish.

They are a favorite pet and they can be quite personable and are delightful to watch. They are one of the most hardy of the goldfish varieties.

They require minimum care and are easy to raise. So they are good choice for the beginners.

The Common goldfish are able to handle a variety of aquarium conditions and they are not picky about food.

Generally they will eat almost everything what is offered. They are very active and social and they can swim very fast.

They prefer to live in a community. Average lifespan of these fish is up to 10 years. However, review full breed profile of the Common goldfish in the table below.

NameCommon Goldfish
Other NamesAlso called Feeder fish or Feeder goldfish
Breed PurposeOrnamental, pet
Special NotesVery beautiful, attractive appearance, extremely hardy fish, very active, well known by all aquarists, inexpensive, readily available, very colorful, easy to care, good choice for the beginners, able to handle a variety of aquarium conditions, not picky about food, social, can swim very fast, prefer to live in community, up to 10 years of average lifespan, good for ornamental purpose
SizeAround 12 inches
Breeding MethodArtificial and natural
Climate ToleranceAlmost all climates
Body ColorCommon coloration includes calico, black, orange, white and yellow

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