Goldfish Encyclopedia — 77 Species Directory
Encyclopedia of popular goldfish varieties with care guides, traits, and show standards.
Showing 4 of 77 species
Blue Oranda
Carassius auratus var.
Oranda variety with metallic blue-gray coloration. Wen development combined with unique blue-gray hue creates striking beauty. Gaining attention in shows.
Giant Oranda
Carassius auratus var.
A large oranda with an exceptionally developed, large wen (lion head). Some develop wens so extensive they spread over the entire body, creating an overwhelming presence. Requires a large tank and high-level water management.
Tancho Oranda
Carassius auratus var.
An Oranda with white body and red head (tancho). Elegant coloring reminiscent of red-crowned crane.
Tricolor Oranda
Carassius auratus var.
Oranda with red, white, and black tricolor pattern. Unlike calico, colors are clearly separated on opaque scales. Well-balanced tricolor specimens are stunning and command high prices.
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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.