Fishician®
Aquarium species profile

Ryukin

Carassius auratus (Ryukin variety) · Captive-bred (Japan, originally from China)

Minimum tank30 gal (single fish)
Adult size6–8"
Care levelModerate
TemperamentPeaceful
Temperature65–75°F
pH range6.5–7.5

Diet

Omnivore – sinking goldfish pellets, gel food, blanched vegetables

Compatible tank mates

Other fancy goldfish of similar swimming ability

Tank mates to avoid

Single-tail goldfish, tropical fish, fin-nippers

Care notes

Pronounced shoulder hump and deep, rounded body. Strong swimmer for a fancy goldfish. Available in calico, red, and red-and-white.

Check the whole aquarium. Tank size alone does not establish compatibility. Confirm adult size, water overlap, social grouping, territory, diet, and the individual animals before stocking.

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