The Veiltails have long delicate flowing tails & tall dorsal fins they prefer temperatures of over 60˚F & need to be kept in a tank where their delicate fins will not be damaged by sharp tank decorations or fish mates that nibble fins. Many of these need a little extra care because they are not as hardy as some of the other varieties. The rounder bodied goldfish include varieties which have modified fins or tails, some varieties have raspberry like growths on their heads& others have modified eyes. Jikins are sometimes called butterfly-tail goldfish, they have normal sized fins & an ‘x’ shaped tail fin that butterflies out behind it. Fantails have an elongated dorsal fin & tail fins and come in a range of colours from orange to red & also calico. Shubunkins are sometimes called calico goldfish because of their mix of metallic & transparent scales giving a pearly appearance in patchy shades of whites, blacks, blues & reds. The common Goldfish, Comets, Shubunkins, Fantails & Jikins are streamlined fish are that are easy to care for they come in a range of colours, the comet most closely resembling the goldfish. These slower swimmers are better kept with similar varieties rather than the faster types because they cannot compete effectively. They are basically split into two groups according to body shape, the first having a slim streamlined body making them strong swimmers which compete well for food & the second having a round-shaped body, often with long fins or no dorsal fin, making them poorer swimmers who don’t compete well for food. They can live between 5 & 40 years, preferring to live in temperatures between 65 & 78˚F, the lower end being more critical for the fancier varieties. There are now over 100 recognised varieties of goldfish but there are only about twenty that you will commonly see for sale in this country. The fish have been selectively bred since the first gold form was recorded over 1500 years ago. If you want to keep coldwater fish but thought that goldfish were boring & all looked the same you would be wrong! Goldfish are all domestic mutations from a wild carp in China, which is not even gold coloured.
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