Goldfish Breed Comparison: Wakin, Ryukin & Ranchu

Goldfish have developed into many diverse varieties over their long history. Whether you're a first-time keeper or a breeder looking to expand your collection, understanding variety differences is the first step to successful keeping.

Wakin (Streamlined Body)

The Wakin is the variety closest to the original goldfish form. Characterized by its elongated body and single tail fin, it is a strong swimmer and very hardy, making it ideal for beginners. It looks great in outdoor water lily pots and large tanks.

• Body type: Streamlined, elongated like a crucian carp
• Tail fin: Single, triple, or quadruple tail
• Ease of care: 5/5 (extremely hardy)
• Temperature range: 5-28C (very adaptable)

Ryukin (Round Body)

The Ryukin features a rounded body shape and long, graceful flowing tail fins. Highly ornamental, it has a commanding presence in any tank. However, its swimming ability is weaker, so avoid housing it with Wakin types.

• Body type: Round and plump
• Tail fin: Triple, quadruple, or cherry blossom tail
• Ease of care: 4/5 (relatively hardy)
• Note: Some individuals are prone to swim bladder disorder

Ranchu (Head Growth)

The Ranchu is called the "King of Goldfish," known for its distinctive head growth (wen) and lack of dorsal fin. It has a deep show culture and is extremely popular among enthusiasts.

• Body type: Stout with rounded proportions
• Features: No dorsal fin, well-developed head growth (wen)
• Ease of care: 3/5 (somewhat advanced)
• Water depth: Prefers shallow water (20-25cm)

Other Major Varieties

Many other goldfish varieties exist:

• Telescope Eye (Demekin): Characterized by protruding eyes. Limited vision makes solitary or same-variety keeping recommended
• Azuma-Nishiki: A hybrid of Oranda and tri-color. Popular for its colorful body
• Butterfly Tail: Broad, butterfly-like tail fins. Most beautiful when viewed from above
• Pearlscale (Ping-Pong Pearl): Extremely round body with short tail. Less commonly available

Find Goldfish on Bri-Choku

Choose goldfish that suit your keeping environment based on variety characteristics. Buying directly from breeders allows you to get detailed variety information and care advice. Find your ideal goldfish on Bri-Choku.