Giant Comet Goldfish
Carassius auratus (Comet)
What you need to keep a Giant Comet Goldfish
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pH
6.5–8.5
Temperature
4–30 °C
Max size
35 cm
Min tank
300 L
Where to buy
Compare prices from SA aquarium shops listing Giant Comet Goldfish.
What Giant Comet Goldfish costs in South Africa
3 price points from 1 shop over 90 days
R123
cheapest of 1 shop today
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Overview
What to know before you buy.
The Comet Goldfish is the classic single-tailed goldfish variety, distinguished by its deeply forked, flowing tail fin that can be nearly as long as its body. While often considered a beginner fish, large Comets are truly impressive specimens that can exceed 30 centimetres in outdoor ponds. Hardy, active, and available in a range of colours from classic orange-red to sarasa (red/white), calico, and yellow, Comets are the backbone of the pond-keeping hobby in South Africa.
Key traits
Care guide
Keeping Giant Comet Goldfish healthy in a South African setup.
Tank setup
A minimum 300L aquarium suits Giant Comet Goldfish. Provide hiding spots and stable, well-filtered water; it suits a community setup.
Water parameters
Keep pH 6.5–8.5 and 4–30°C. Stable parameters matter more than chasing perfect numbers; acclimate new arrivals slowly.
Feeding
Omnivore. Feed small amounts it clears in a couple of minutes, and vary the diet.
Behaviour
Peaceful. Watch it at feeding time and at lights-out to see its real temperament in your tank.
Tankmates
Choose tankmates of similar size and temperament with the same water needs. Avoid fin-nippers and anything large enough to eat it.
Breeding
Giant Comet Goldfish can breed in home aquariums with a conditioned pair and stable water.
Community photos
From hobbyists across SA.
Market intelligence
Price trends and buyer demand — data only FishHub tracks.
Price history — last 90 days
SA price range this month: R123–123 · Average: R123
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