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Celestial Eye Goldfish
Carassius auratus
Animalia›Chordata›Actinopterygii›Cypriniformes›Cyprinidae
Variety of Common Goldfish · Celestial Eye
📍 China (captive-developed)
Double-tailed fancy goldfish with eyes that rotate permanently upward, gazing skyward. No dorsal fin. Poor vision means it cannot compete for food with normal goldfish. Best in a dedicated celestial or bubble eye tank.
Care Guide
Diet
Celestial Eye Goldfish are omnivores that require a varied diet of high-quality goldfish pellets, vegetable matter, and occasional protein sources. Feed sinking pellets or specialized goldfish food once daily in small portions, supplemented with blanched vegetables like peas and spinach 2-3 times weekly. Include occasional treats of frozen bloodworms or brine shrimp, but prioritize plant-based foods to support their digestive health.
Behavior
Celestial Eye Goldfish are peaceful, slow-moving fish that spend most of their time in mid-water zones grazing and exploring. Their permanently upward-gazing eyes and lack of a dorsal fin make them clumsy swimmers prone to injury from faster tank mates and sharp decorations. They are social fish that do best in pairs or small groups of their own kind, though their poor vision means they struggle to compete for food with standard goldfish.
Breeding
Breeding Celestial Eye Goldfish in captivity is difficult and rarely successful in home aquariums. They require very large tanks (75+ gallons), specific temperature triggers, and excellent water quality to spawn. Fry are extremely difficult to raise due to their specialized care needs, making captive breeding impractical for most hobbyists.
Tank Mates
Compatible fancy goldfish varieties share similar water requirements and peaceful temperament; avoid faster competitors
Snails help with algae control and won't compete aggressively for food; provide hiding spots
Small snails are safe companions and help maintain tank cleanliness without competing for food
Hardy plant that goldfish won't easily uproot; provides shelter and reduces stress
Anchored plants offer cover without being easily destroyed by goldfish foraging behavior
Common Diseases
Ich (Ichthyophthirius multifiliis)
White spots on body and fins, flashing against surfaces, rapid breathing, lethargy
Raise temperature gradually to 28-30°C, perform 25% water changes daily, use aquarium salt (1 tsp per 5 gallons) or ich medication; treat for 7-10 days
Fin Rot
Frayed or deteriorating fins, white or black edges on fins, fin loss
Improve water quality with frequent 25% water changes, remove sharp decorations, use antibacterial medication if severe; ensure temperature stays 20-22°C
Swim Bladder Disorder
Difficulty maintaining buoyancy, floating at surface or sinking, tilted swimming posture
Reduce feeding temporarily, offer blanched peas, maintain stable temperature, perform water changes; may be permanent if genetic
Dropsy
Swollen body, protruding scales, lethargy, loss of appetite, pale gills
Isolate fish immediately, perform daily 50% water changes, use antibacterial medication; prognosis is poor; maintain pristine water conditions
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Varieties
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Quick Facts
- pH
- 6.5–7.5
- diet
- omnivore
- maxSize
- 5 inches
- minTankSize
- 20 gallons
- temperature
- 50–72°F (10–22°C)
Temperature
50–72°F
10–22°C