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Adverfishments

Ryukin
Alternative Name(s):
Scientific Name(s): Carassius auratus
Category: Coldwater
Difficulty:
Maximum Size: 20cms
Minimum Tank Volume: 140 litres
Minimum Tank Size: 3ft
Water Temperature Range: 20-24°C
Water pH Range: 6.5-8.5
Water Hardness Range: 6-16 dGH

General Information: The Ryukin Goldfish was developed in Japan and looks similar to the Fantail Goldfish except for the hump back that begins right behind the head. It has a deep body and usually a medium to fairly long tail, but the tail is held high and its lobes are narrow; the other fins are similar to the Fantail's. They can grow very big; roughly 6-8 inches so a tank of 90cm/3 foot long is recommended for a pair. There is a long-tailed version of this fish known as the Fringe Tail/Ribbon Tail Ryukin.
Tank Requirements: See Minimum Tank Volume and Minimum Tank Size above.
Diet Requirements: Goldfish are omnivorous - they will eat pellets/flake, green foods and most live foods such as bloodworm.
Compatibility: Best kept with their own kind.
Recommendations: Best to keep Fancy Goldfish with other cold water fish that will not nip their fins and fish that will be comfortable living in the slightly warmer temperatures that Fancy Goldfish prefer.
Common Problems: Swim bladder problems due to their body shape.
Similar Species: Fantail, Veiltail
Sexing: Males have white spots on their gill plates and front edge of pectoral fins: breeding tubercles. These should not be confused with the disease white spot. Females develop a deeper body and have a larger vent (just before the anal fin) than the males.
Breeding: If they are well cared for Goldfish will breed readily when they are about 2 years old regardless of their size. Parents will eat their own eggs and fry so best removed to a separate tank.
Author(s): Goldy, Violet, Fishlady | Photo: | Views: 19443
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