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Description

The Ryukin Red and White Large is a captivating variant of the Ryukin goldfish, prized for its vivid coloration, deep body, and flowing fins. Originating from Japan, this ornamental freshwater fish is known for its robust build and vibrant personality. As a popular choice for aquarists seeking aesthetic beauty and manageable care, the Ryukin Red and White Large stands out among fancy goldfish due to its striking red and white contrast and characteristic dorsal hump.

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Features of a Ryukin Red and White Large

  • Deep, rounded body with a prominent hump behind the head

  • Flowing, long fins including a double tail fin (caudal)

  • Bright red and white color pattern with high contrast

  • Typically grows to 15–20 cm in length

  • Peaceful temperament and slow, deliberate swimming style

The Best Aquarium Size for Ryukin Red and White Large

A single Ryukin Red and White Large requires a minimum of 75 litres of water. For each additional fish, allow at least an extra 35 litres. These fish are strong swimmers and benefit from horizontal space more than height, making a long rectangular aquarium ideal. A larger tank supports stable water parameters and reduces stress, contributing to the fish’s longevity and colour vibrancy.

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Tank Mate Compatibility for Ryukin Red and White Large

When choosing tank mates, select species with similar temperature requirements and calm demeanours. Avoid fin-nippers or fast swimmers.

Diet for Ryukin Red and White Large

A balanced diet is essential to maintain their health and coloration. Feed a mix of high-quality sinking pellets, gel food, and supplement with:

  • Blanched vegetables (spinach, peas)

  • Live or frozen foods (bloodworms, daphnia)

  • Occasional fruits (orange segments, melon in moderation)

Feed 2–3 times daily in small amounts to avoid overfeeding and bloating.

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Aquarium Setup for Ryukin Red and White Large

 

Aquarium Filtration

Use a high-capacity external or sponge filter with gentle flow to manage waste while protecting delicate fins.

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Aquarium Plants

Select hardy, non-sharp plants like Anubias, Java Fern, or Hornwort. These tolerate cooler water and provide shelter without damaging fins.

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Aquarium Lighting

Use moderate, indirect lighting to prevent stress and encourage healthy plant growth. LED lighting is energy-efficient and ideal.

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Aquarium Heating

Maintain a stable temperature between 18–22°C. While goldfish are cold-water tolerant, avoid temperature fluctuations.

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Aquarium Substrate

Opt for smooth gravel or sand to prevent injury during foraging. Avoid sharp-edged substrate.

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Aquarium Decorations

Include rounded rocks, driftwood, and gentle caves. Ensure decor has no sharp edges and does not obstruct swimming space.

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Additional Information

Fish Keeping Snapshot :

Preferred Water Parameters :