C
Comet Goldfish
Carassius auratus
VS
G
Guppy
Poecilia reticulata
Choosing between Comet Goldfish and Guppy? 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.
Comet Goldfish
Carassius auratusVS
Guppy
Poecilia reticulataCommon Name
Comet Goldfish
Guppy
Scientific Name
Carassius auratus
Poecilia reticulata
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
5 gallons
Recommended Tank
55 gallons
10 gallons
Temperature
65°F - 75°F
72°F - 82°F
pH Range
7 - 8.4
6.8 - 7.8
Max Size
12 inches
2.5 inches
Lifespan
10-20 years
1-3 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods
Flakes, Pellets, Frozen foods, Vegetables
Comet Goldfish
✓ Good For
- Community tanks
- Beginners
Guppy
✓ Good For
- Community tanks
- Beginners
- Small tanks
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