Comet Goldfish

The Comet goldfish is a variety of single-tailed goldfish which is bred in the United States. It is also called as Comet-tailed goldfish and is similar to the Common goldfish.

Hugo Mulertt who was a government worker, developed this breed in the United States from the Common Goldfish. It was developed in the 1880s.

The variety was first seen in the ponds of the U.S. Government Fish Commission in Washington, D.C. Read some more information about this goldfish variety below.

Comet Goldfish Characteristics

The Comet goldfish are similar in appearance to the Common goldfish, except slightly smaller and slimmer, and is mainly distinguished by their deeply forked tail.

Common coloration of these fish is red-and-white, white, red, yellow and orange. The red coloration mainly appears on the tail fin and dorsal fin, but can also appear on the pelvic fin.

comet-tailed goldfish, comet goldfish, about comet goldfish, comet goldfish appearance, comet goldfish breeding, comet goldfish care, caring comet goldfish, comet goldfish color, comet goldfish characteristics, comet goldfish eggs, comet goldfish facts, comet goldfish history, comet goldfish info, comet goldfish images, comet goldfish lifespan, comet goldfish origin, comet goldfish photos, comet goldfish pictures, comet goldfish rarity, comet goldfish rearing, raising comet goldfish, comet goldfish size, comet goldfish tame, comet goldfish uses, comet goldfish varieties, comet goldfish weight, comet goldfish scales

Average body length of the mature Comet goldfish is around 12 inches, with some fishes can reach more body length. Photo and info from Wikipedia.


Like most goldfish varieties, the Comet goldfish are omnivorous. They will generally eat almost everything they find in their environment.

Their natural foods include insects and their larvae, aquatic invertebrates, detritus and plants. And they will accept a wide range of dry and frozen foods in the pond and aquarium.


The Comet goldfish are prolific breeder just like the Common goldfish. They can quickly populate an outdoor pond if given adequate space and plant cover. The mature females can produce up to 1,000 eggs per spawning.


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

Special Notes

Compared to many other goldfish varieties, the Comet goldfish are more active.

They are the breed which is best suited to ponds and outdoor pools, due to their hardy and active nature and the relative easy in caring for them.

Naturally they have 5 to 14 years of lifespan, and they may live even longer in optimum conditions. There are two variants of this goldfish, and they are Sarasa and Tancho single-tail.

The Sarasa Comets are characterized by their red-and-white coloration and resemble the Kohaku color pattern in koi.

They have long flowing fins and are very hardy fish. While the Tancho single-tail variety has a silver-colored body and fins with a single red patch on the head. However, review full breed profile of these fish in the table below.

NameComet Goldfish
Other NamesComet-tailed goldfish
Breed PurposeOrnamental, pet
Special NotesVery beautiful, attractive appearance, extremely hardy fish, very active, best suited to ponds and outdoor pools, relatively easy to care, naturally have 5 to 14 years of lifespan, they can even live longer in optimum conditions, two variants available, raised for ornamental purpose
SizeAround 12 inches
Breeding MethodArtificial and natural
Climate ToleranceNative climates
Body ColorCommon coloration is red-and-white, white, red, yellow and orange
AvailabilityUnited States

Leave a Comment

Your email address will not be published. Required fields are marked *

Scroll to Top