Goldfish Encyclopedia — 77 Species Directory
Encyclopedia of popular goldfish varieties with care guides, traits, and show standards.
Showing 5 of 77 species
Albino Ryukin
Carassius auratus var.
Albino mutation of Ryukin. Red eyes with white to pale pink body create a mystical appearance. Same care as standard Ryukin but slightly light-sensitive. Popular as rare variety.
Blue Telescope / Seibungyo
Carassius auratus var.
A variety originating from China, a type of telescope goldfish with characteristic bluish-black body coloration. Unlike the black telescope, it has a deep, lustrous blue-black sheen. Popular among enthusiasts in Japan for its rare coloration.
Chakin
A goldfish with rare brown (chocolate) body color. Round body with adorable gentle swimming.
Kirin Goldfish
Carassius auratus var.
Rare goldfish with mosaic-like scale mutation. Mix of normal and transparent scales creates unique sparkling appearance. Chinese variety, rare in Japan.
Shimura Transparent Scale
Carassius auratus var.
A variety with particularly prominent transparent scale characteristics, said to have been developed and improved by goldfish breeder Shimura. Has such transparency that internal organs can be seen through the scales, possessing a unique beauty.
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Goldfish FAQ
- How much do goldfish cost?
- Common varieties like wakin and ryukin cost 300-2,000 yen, ranchu 3,000-30,000 yen, and show-quality specimens can reach tens of thousands to hundreds of thousands of yen.
- Can beginners keep goldfish?
- Hardy varieties like wakin, ryukin, and telescope goldfish are recommended for beginners. A tank and filter are all you need, and no heater is required.
- How long do goldfish live?
- With proper care, goldfish live 10-15 years, and some individuals can live 20+ years. Water quality management and proper feeding are key to longevity.
- What should I check when buying goldfish?
- Look for symmetrical body shape, stable swimming, well-formed fins, and no injuries or white spots. Breed-specific aesthetic standards are also helpful references.
- What should I be careful about when keeping goldfish?
- Overfeeding causing poor water quality is the most common issue. Feed 1-2 times daily in amounts eaten within 2 minutes, and never skip weekly water changes.