Description
The Ranchu Calico is a stunning goldfish variety, prized for its distinctive appearance and vibrant colors. Known for its rounded body, lack of dorsal fin, and unique coloration, it’s a beautiful addition to any aquarist’s collection. While they are relatively hardy, providing the right environment and care is essential for ensuring their long-term health and vibrant coloration.
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Features of a Ranchu Calico
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Rounded, fat body shape, with a deep body profile.
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Lack of a dorsal fin, which gives them a unique, streamlined look.
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Calico coloration, which often combines shades of orange, white, and black.
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The presence of a broad, flat head with prominent cheeks, commonly referred to as "wen."
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Smooth, flowing fins, typically white with tinges of the calico pattern.
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Small, expressive eyes that give the Ranchu a charming, almost curious appearance.
The Best Aquarium Size for Ranchu Calico
Ranchu Calico goldfish require ample space to thrive. A minimum of 100 liters is recommended for a single fish, with an additional 50 liters for each additional goldfish. This ensures they have enough room to swim freely and reduces the risk of poor water quality.
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Tank Mate Compatibility for Ranchu Calico
Ranchu Calicos are peaceful fish but can be slow-moving. They are best kept with other slow-moving and non-aggressive species. Suitable tank mates include:
Diet for Ranchu Calico
Ranchu Calicos are omnivorous and benefit from a varied diet. Their diet should include:
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High-quality sinking pellets designed for goldfish.
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Frozen or live foods like brine shrimp, bloodworms, and daphnia.
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Fresh vegetables like peas, spinach, or zucchini, chopped into small pieces.
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Occasional live or frozen insects for protein.
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Aquarium Setup for Ranchu Calico
Aquarium Filtration
Due to the Ranchu Calico’s diet and relatively large size, a high-efficiency filtration system is essential. The filter should be capable of handling a minimum of 4 times the volume of the tank per hour to maintain clean water. A canister filter is often ideal for goldfish.
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Aquarium Plants
Live plants are beneficial for providing hiding spots and improving water quality. Suitable plants include:
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Aquarium Lighting
Moderate lighting is sufficient for Ranchu Calicos. A standard aquarium light will work well, but avoid bright, direct lighting that could cause algae overgrowth. A day-night cycle with 10-12 hours of light is ideal.
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Aquarium Heating
Ranchu Calicos prefer a stable water temperature between 18°C to 22°C. An adjustable aquarium heater is necessary, especially in cooler climates, to maintain a consistent temperature range. Water ph 6.5 to 7.5
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Aquarium Substrate
A smooth substrate, such as fine gravel or sand, is recommended to prevent injury to the fish’s delicate bodies. Avoid sharp or rough substrates that could cause damage to their skin or fins.
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Aquarium Decorations
While Ranchu Calicos don’t require excessive decorations, adding decorations that provide shelter or areas for them to explore can enrich their environment. Ensure that any decorations are smooth and free of sharp edges to avoid injury.
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