Goldfish Encyclopedia — 77 Species Directory
Encyclopedia of popular goldfish varieties with care guides, traits, and show standards.
Showing 6 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.
Broadtail Ryukin
Carassius auratus var.
Premium Ryukin variety with broad tail fins spreading like a fan. Side view shows tail flowing like a skirt — elegant and graceful. Highly valued in shows.
Edonishiki Ranchu
One of finest ranchu. Treasure of Japanese goldfish with improvement history from Edo period.
Red-white Ranchu
Carassius auratus var. ranchu
A ranchu with vivid red patterns on a white base. The red-white color scheme is striking when viewed from above, making it popular in shows. Combines ranchu body beauty with red-white coloration.
Tama Nishiki
Carassius auratus var.
A goldfish with a rounded body and beautiful brocade-like coloration. Independently developed in Japan, featuring a combination of rounded body and gorgeous coloration. An elegant breed also appreciated in shows.
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.