Ryukin Goldfish

Facts about Ryukin Goldfish. Very popular in both the US and Japan, the Ryukin goldfish has a very big dorsal hump. Ryukin goldfish origin: Asia, China and Japan. It is named after a string of Islands between Japan and Taiwan. It was bred in Japan from Fantail goldfish family somewhere in the late 1700s. Red and White Ryukins goldfish are very common in the US
Ryukin goldfish are fairly aggressive and will bully weaker breeds (like the Celestials and Bubble Eyes goldfish) for food. So they should only be kept with other Ryukins goldfish or fish of similar swimming capability, such as Lionheads and Orandas.
Ryukins goldfish do not tolerate cold water as well as the Common Goldfish.
Minimum Tank Size: should be at least 30 gallons or more. Care Level: Easy and good for beginners. Temperament: Peaceful, calm. Water Conditions: 65-72 F (18.3 to 22.2 C), KH 4-20, pH 6.5-7.5. Max. Size: 8". Diet: Omnivore, Family: Cyprinidae
The Ryukin Goldfish was originally red, but can today be found in a large variety of colors, including blue, pure white, calico, green/greenish, Red/Black, chocolate and white and red combinations. A calico colored Ryukins goldfish are members of the carp group and are generally quite hardy. All Ryukin Goldfish have two pectoral fins, two anal fins and two ventral fins and a fat belly, and long feathery fins, they should be evenly matched. The caudal fin can be long finned, butterfly, ribbon or short tailed. the high dorsal fin make the fish look even higher than it is. It has a small, pointed mouth and the body is usually triangular shaped. There is a distinct hump on the back of the Ryukin Goldfish immediately behind the head.
There most definitely seams to be a kind of courtship ritual when Goldfish breed. Breeding often results in up to 1,000 eggs, with fry hatching in 5-6 days. The fry should be fed small pieces of live or prepared foods designed for egg-laying fish or ask what other kinds of food for fry you . Ask your pet store what food they recommends
Ryukin Goldfish are omnivorous and will eat all types of dried and live foods. Limit protein up to 30 percent of their diet. Goldfish flake or pellet food will provide these fish with the proper nutrition.