Carassius auratus
Goldfish
One of the most popular aquarium fish, available in many varieties like Fancy, Comet, and Shubunkin. They are messy eaters and require strong filtration.
Ensure perfect water for Goldfish ➔
Perfect for Aquaware Monitoring
Caution: Highly Sensitive
This species reacts immediately to unstable water parameters. Even minor fluctuations can be critical. Continuous 24/7 monitoring with Aquaware is highly recommended.
Temperature
10 - 23 °C
50 - 74 °F
pH Value
7.0 - 8.4 pH
Acidity Level
Mineral Content (TDS)
200 - 400 ppm
⚠️ Hard water required
Did you know?
Goldfish do not have stomachs; they digest food as it moves through their intestines.
Aquaware Pro Tip
Never keep them in a bowl. They need high oxygen levels and substantial filtration.
Natural Habitat
Slow-moving freshwater bodies in East Asia, specifically China.
Diet & Nutrition
Omnivore. Feeds on plants, small insects, and detritus. In aquariums, they need high-quality pellets and veggies.
Behavior
Social and peaceful, but will eat anything that fits in their mouth. They are bottom foragers.
Max Size
15-25 cm (6-10 inches)
Average adult size
Lifespan
10-20 years
Years with proper care
Swim Zone
Preferred tank region
Top 🐟
Mid 🐟
Bottom 🦞
Min. Tank
75 Liters
Recommended minimum size
Social
2 Fish
Small group required
Add. Space
40 L
Required per additional fish
(10 Gallons)
(10 Gallons)
💧 +40 Liters needed