Description
Wakin Goldfish: An Ornamental Classic for Coldwater Aquariums
The Wakin goldfish, a centuries-old variety originating in Japan, combines the robust nature of common goldfish with a subtle elegance. Distinguished by its streamlined body and double caudal fin, the Wakin thrives in well-maintained environments and is an ideal choice for both indoor aquariums and outdoor ponds. Though hardy and adaptable, achieving optimal health and colouration in Wakin goldfish requires thoughtful care, particularly in terms of tank setup, diet, and compatible tank mates.
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Features of a Wakin Goldfish
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Elongated body shape similar to common goldfish
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Double tail fin (caudal fin), often symmetrical and flowing
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Typically red, white, or a mix of red and white in coloration
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Can grow up to 30 cm in length in optimal conditions
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Lifespan ranges from 10 to 15 years, often longer with proper care
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Active swimmers with a peaceful temperament
The Best Aquarium Size for a Wakin Goldfish
Wakin goldfish require ample swimming space due to their size and activity level. A single adult Wakin should be kept in a minimum of 150 litres of water. For each additional fish, increase the volume by at least 75 litres. Rectangular tanks with more horizontal space are preferred, as these better accommodate their swimming patterns.
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Tank Mate Compatibility for Wakin Goldfish
Wakin goldfish coexist best with other peaceful, coldwater species. Compatible companions include:
Avoid tropical species or those with aggressive tendencies.
Diet for a Wakin Goldfish
A balanced diet is crucial. Provide a variety of high-quality sinking pellets formulated for goldfish. Supplement with:
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Blanched vegetables (spinach, peas, zucchini)
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Live or frozen foods (daphnia, bloodworms)
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Occasional treats such as fruit in small portions
Feed 2–3 times daily in small amounts to avoid overfeeding and water fouling.
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Aquarium Setup for a Wakin Goldfish
Aquarium Filtration
Use a powerful external filter rated for at least twice the tank volume to manage bioload and maintain water clarity.
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Aquarium Plants
Hardy, low-maintenance plants such as Anubias, Java fern, and Elodea thrive in goldfish tanks and help with nitrate control.
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Aquarium Lighting
Moderate LED lighting enhances visibility and supports plant growth without overheating the tank.
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Aquarium Heating
Heating is generally unnecessary; Wakin goldfish thrive in water temperatures between 18–22°C. Water pH 6.0-8.0.
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Aquarium Substrate
Smooth gravel or sand prevents injury to the goldfish’s delicate fins and encourages natural foraging behaviour.
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Aquarium Decorations
Use large, smooth ornaments or driftwood with no sharp edges to prevent damage to the tail fin. Leave open areas for swimming.
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