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FishintermediateFreshwater

Celestial Eye Goldfish

Carassius auratus

AnimaliaChordataActinopterygiiCypriniformesCyprinidae

Variety of Common Goldfish · Celestial Eye

📍 China (captive-developed)

Ask Finn

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.

Size5"
Min Tank20g
School2+
peaceful
Zonemid

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.

Common Diseases

Ich (Ichthyophthirius multifiliis)

Symptoms

White spots on body and fins, flashing against surfaces, rapid breathing, lethargy

Treatment

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

Symptoms

Frayed or deteriorating fins, white or black edges on fins, fin loss

Treatment

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

Symptoms

Difficulty maintaining buoyancy, floating at surface or sinking, tilted swimming posture

Treatment

Reduce feeding temporarily, offer blanched peas, maintain stable temperature, perform water changes; may be permanent if genetic

Dropsy

Symptoms

Swollen body, protruding scales, lethargy, loss of appetite, pale gills

Treatment

Isolate fish immediately, perform daily 50% water changes, use antibacterial medication; prognosis is poor; maintain pristine water conditions

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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

Stats

Community tips0
Kept by0 hobbyists