C
Comet Goldfish
Carassius auratus
VS
M
Molly
Poecilia sphenops
Choosing between Comet Goldfish and Molly? 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
Molly
Poecilia sphenopsCommon Name
Comet Goldfish
Molly
Scientific Name
Carassius auratus
Poecilia sphenops
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
20 gallons
Recommended Tank
55 gallons
30 gallons
Temperature
65°F - 75°F
75°F - 82°F
pH Range
7 - 8.4
7.5 - 8.5
Max Size
12 inches
4.5 inches
Lifespan
10-20 years
3-5 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods
High-quality vegetable-based flake food, Algae wafers, Spirulina, Blanched vegetables, Frozen daphnia, Bloodworms
Comet Goldfish
✓ Good For
- Community tanks
- Beginners
Molly
✓ Good For
- Community tanks
- Beginners
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