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One of finest ranchu. Treasure of Japanese goldfish with improvement history from Edo period.
The Ranchu Edonishiki is one of the most prized varieties within the Ranchu lineage, combining the Ranchu's egg-shaped, dorsal-finless body with the vibrant nacreous calico (tricolor) coloration of the Edonishiki. Refined over generations of selective breeding in Tokyo (Edo), this variety represents a pinnacle of Japanese goldfish breeding tradition. Like the Ranchu, it is appreciated primarily from above, where the rounded body silhouette and the unique calico pattern—red, white, black, and pale blue tones across translucent scales—can be fully evaluated. Each individual's color pattern is completely unique. Show evaluation combines Ranchu criteria (body symmetry, wen quality, tail angle) with the beauty of the calico coloration. Traditional keeping follows Ranchu practices: shallow round bowls, minimal water flow, neutral water quality, and the option of green water culture to enhance coloration depth. Careful feeding to prevent swim bladder disorder is essential.
Origin
Japan (Tokyo)
Lifespan
8-12 years
Size
10-18cm
Temperature
5〜30℃(適温18〜24℃)
Pellets, Bloodworms
Traditional top viewing in shallow round bowls
Sources: FishBase / Aqueon Goldfish Care Guide
金魚品種は体型・尾型・鱗・色の選抜固定(line-bred)。出目・透明鱗(キャリコ)・白子等は単一座。
Sources: Wikipedia - Goldfish (Varieties) / 金魚 - Wikipedia (日本語版・品種)
A curated selection of notable morphs. Inheritance modes are a breeding-planning guide; actual appearance varies with combos.
Edited & verified by: br-choku editorial team
The taxonomic, regulatory, and husbandry data on this page are compiled and verified against the authoritative primary sources below.
Accepted name: (Linnaeus, 1758)
Synonyms: Cyprinus auratus Linnaeus, 1758, Carassius auratus auratus (Linnaeus, 1758), Cyprinus thoracatus Valenciennes, 1842, Carassius burgeri Temminck & Schlegel, 1846, Cyprinus chinensis Gronow, 1854
Authority databases: FishBase · GBIF · FishBase: Carassius auratus · GBIF: Carassius auratus · 日本らんちう協会
Nomenclature follows global taxonomic authority databases.
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Stable temperature at 18-25°C
Small frequent feedings ideal
Premium breed with strong show culture
Advanced. This is an advanced-level species. It requires specialized equipment and advanced husbandry skills with precise environmental control.
The ideal temperature for Edonishiki Ranchu is 5〜30℃(適温18〜24℃). Avoid sudden temperature changes and maintain a stable environment.
The average lifespan of Edonishiki Ranchu is 8-12 years. With proper care and nutrition, they can live a long and healthy life.
Edonishiki Ranchu typically reaches 10-18cm as an adult. Size may vary depending on care conditions and individual genetics.
Edonishiki Ranchu feeds on: Pellets, Bloodworms. Aim for a balanced diet with appropriate feeding frequency.
The price of Edonishiki Ranchu varies significantly depending on morph, size, and lineage. Check our market price page for the latest pricing information.
Last updated: July 8, 2026