There are also telescope-type eyes whose pupil is protected by a protruding transparent cover. The most common or normal are those that are very similar to their ancestors ( the carps) and that are very similar to the eyes of most fish. Goldfish have different eyes shapes depending on the species. In the wild goldfish species, the body’s color varies from olive brown to yellowish white while the aquarium varieties are selected according to their xanthochromy, showing pigmentations ranging from intense golden yellow to red and purple. The dorsal fin is closed, with visible bony spines the pelvic ones are short and wide, and the caudal one of big size after a short and wide peduncle. Unlike other carps, goldfish lack scales in the upper jaw. Their body is short and massive, with a scaless triangular-shaped head. Goldfish are small fish, which reach a maximum of 60 cm in length and 3 kg in weight, although the specimens bred in aquariums seldom reach half this size. In this country, a new variety of fish that is considered 100% American would emerge: the comet fish.Īt present, there are many breeders from different countries that still want to create new varieties of goldfish, but these new specimens may take some time to be recognized by the many societies of goldfish that exist in the world, since they are in charge of dictating the parameters to determine the quality of such specimens. The goldfish became a “fashion item» becoming an ideal gift for any occasion.Īt the end of the 19th century, the goldfish crossed the great sea, arriving in the United States where they gained much popularity. The Japanese were the ones who developed the varieties of Shubunkin, Ryukin, Demekin, Tosakin, Jikin, Wakin and Hamanishiki.īy the 18th century, Japan’s commercial link and the export of ornamental fish were strengthened by countries such as England, Portugal, Holland and France. The Japanese immediately fell in love with these beautiful ornamental fish, so they began to raise them first in Koriyana, where they have not stopped working in this trade for more than 500 years, gaining great popularity all over the world. Departure from China.īut the goldfish weren’t left alone in China. After a few years they introduced the goldfish into large ponds that also surrounded the royal gardens, which made it easier for them to breed.īeginning in the 12th century, a more selective breeding began to develop, which gave rise to the different varieties of goldfish existing today differing in color, shape of eyes, fins and body. The emperors and other royal members kept these animals in large ceramic containers, opting later for glass tanks that facilitated the vision of the beautiful colors of the fish.
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