G
Goldfish
Carassius auratus
VS
O
Oscar
Astronotus ocellatus
Choosing between Goldfish and Oscar? Both are excellent choices, but they have different care requirements and temperaments. Use the detailed comparison below to make an informed decision based on your experience level, tank size, and community goals.
Goldfish
Carassius auratusVS
Oscar
Astronotus ocellatusCommon Name
Goldfish
Oscar
Scientific Name
Carassius auratus
Astronotus ocellatus
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Aggressive
Minimum Tank
20 gallons
75 gallons
Recommended Tank
30 gallons
125 gallons
Temperature
65°F - 75°F
74°F - 81°F
pH Range
7 - 8.4
6.5 - 7.5
Max Size
12 inches
14 inches
Lifespan
10-15 years
10-20 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods
Cichlid pellets, Live foods, Frozen foods, Vegetables, Shrimp
Goldfish
✓ Good For
- Community tanks
- Beginners
Oscar
✓ Good For
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