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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.
The watonai was developed both from the wakin and ryukin goldfish. Jikin goldfish - A fancy goldfish variety that has its double caudal fins splay outwards. Jikin goldfish have strictly two colors (red and white) and perfect individuals display a unique pattern called the '12 points of red'. It is like a wakin, but the caudal fins are spread apart.
Ideally, the water pump should push 10x the volume of the tank or pond plus an extra 100lph or gph. Goldfish will die without sufficient dissolved oxygen in the water. A filter that can do at least 10x filtration is best, which means that for every 10 gallons or liters of water, the filter should be able to cycle 100 gallons or liters per hour.
Although calico coloration occurs in many fancy goldfish varieties such as telescope eyes, fantails, ryukins, orandas, and ranchu's, the nacreous scale characteristic is usually exclusive to the shubunkins, which are single-tailed fish that are similar to the common goldfish and could grow up to 12 inches in length. [2] [3] Calico Ryukin goldfish
The first importation of these fish into the United Kingdom was in 1936 when the original fish were exported from Shanghai and others were displayed at an aquarium in Paris. It was quite popular in the early days of the fancy goldfish, but is now very rarely seen for sale or on display.
Goldfish are typically easy to care for, and black moors in particular are able to withstand a wide variety of temperatures. They do well with other fancy goldfish varieties, especially those with impaired vision such as the bubble eye or Celestial goldfish. In 1941, Moscow aquarist P. Andrianov bred a kind of black telescope with orange-red eyes.
Bubble Eyes have metallic scales, and they are similar to the celestial eye goldfish. [3] The eyes of the Bubble Eye goldfish are normal in the young fry but will start to develop eye bladders three months after hatching. [3] Like ranchu, the bubble eye goldfish lacks a dorsal fin and has a double tail. [4]
Requires a 30-gallon tank and 3 inches (7.6 cm) sand substrate. Tank should remain tightly lidded. 14 cm (5.5 in) Yellowhead jawfish: Opistognathus aurifrons: Yes: Requires a 30-gallon tank and 5–7 inches (13–18 cm) soft substrate. Tank should remain tightly lidded. 10 cm (3.9 in)