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The comet-tailed goldfish breed was developed in the United States from the common goldfish by Hugo Mulertt, a government worker, in the 1880s. The comet goldfish was first seen in the ponds of the U.S. Government Fish Commission in Washington, D.C. [1] [2] Mulertt later became a propagator of goldfish and an author of books on goldfish.
The reputation of goldfish dying quickly is often due to poor care. [46] The lifespan of goldfish in captivity can extend beyond 10 years. [47] If left in the dark for a period of time, goldfish gradually change color until they are almost gray. [48] Goldfish produce pigment in response to light, similarly to how human skin becomes tanned in
The common goldfish are often confused with comet goldfish, a distinct breed. The two breeds are often mixed together at many pet stores and aquarium stores. They breeds differ in the relative size of the body and fins. The comet goldfish has longer fins but a shorter and slender body size, and thus resembles tracing comets. The most ...
Shubunkin (Japanese: 朱文金, Hepburn: Shubunkin, 'vermilion brocade') are a hardy, single-tailed goldfish with nacreous scales and a pattern known as calico. [1] They are of Japanese origin. [2] [3] The Shubunkin was created by Akiyama Yoshigoro (ja:秋山吉五郎) by crossing Calico telescope eye with a Comet goldfish and a Common goldfish.
Nymph goldfish - It is similar to the fantail, except they have a single caudal fin and anal fin. Considered a byproduct of the breeding process due to recessive genes handed down from fantail or veiltail parents. Tamasaba goldfish (or Sabao goldfish) - It is similar to the ryukin, except they have a single caudal fin and anal fin. A rare type ...
Some goldfish varieties, such as the common goldfish, comet goldfish, and shubunkin, have body shapes and coloration that are similar to koi, and can be difficult to tell apart from koi when immature. [50] Goldfish and koi can interbreed; however, as they were developed from different species of carp, their offspring are sterile. [51] [52]
Comet Tsuchinshan-ATLAS, or Comet A3, is a dusty ball of ice from the Oort Cloud that takes about 80,000 years to orbit the sun. That means some of the last people to see it were Neanderthals.
It also has a high, prominent and well-developed dorsal fin. The anal fins are paired and are quite well developed as well. The term 'veiltail' is commonly and erroneously applied to any goldfish displaying a long caudal, but true veiltails must have all the characteristics described above.