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Tancho Oranda
IntermediateCarassius auratus var.
An Oranda with white body and red head (tancho). Elegant coloring reminiscent of red-crowned crane.
Difficulty
Intermediate
Temperature
5〜30℃（適温18〜24℃）
Lifespan
10-15 years
Size
15-25cm
Diet
Pellets, Bloodworms
About
The Tancho Oranda combines the Oranda's characteristic body form and wen development with the Tancho coloration pattern—a pure white body with red appearing only on the head wen, evoking the elegant appearance of Japan's Red-crowned Crane. This striking contrast of red and white, with the red precisely concentrated on the head, is both visually powerful and deeply connected to Japanese aesthetic tradition. Show standards require that the white body be absolutely free of red pigmentation, and that the red wen be symmetrical, vivid, and confined to the head top. Maintaining the white body color demands exceptionally clean water; algae growth and poor water quality cause yellowing and fading. Care requires a tank of 60 liters or more, reliable filtration, regular water changes, stable temperature of 18–25°C, and careful feeding to prevent swim bladder problems. The wen's folds should be inspected regularly for early signs of bacterial infection.
Basic Info
Origin
Japan
Lifespan
10-15 years
Size
15-25cm
Temperature
5〜30℃（適温18〜24℃）
Diet
Pellets, Bloodworms
Care Guide
Housing
Keep in environment showing off white body
Temperature
Stable temperature at 18-25°C
Care Specifications
- pH
- 6–8
- Hardness (GH)
- 5–19 dGH
- Water Temp.
- 18–23℃
PeacefulGroupBreeding: Moderate
Sources: FishBase / Aqueon Goldfish Care Guide
Morphs (Varieties)
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。
PolygenicContinuous trait from multiple genes; intensified by selective breeding.
Head growth (wen)
Line-bredEstablished by selective line breeding.
Deep body / dorsal humpFantail (paired caudal)Single red head patch
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.
References & Sources
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.
Taxonomy & Authority
Accepted name: Carassius auratus var. (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
Nomenclature follows global taxonomic authority databases.
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