C
Comet Goldfish
Carassius auratus
VS
P
Penguin Tetra
Thayeria boehlkei
Choosing between Comet Goldfish and Penguin Tetra? 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
Penguin Tetra
Thayeria boehlkeiCommon Name
Comet Goldfish
Penguin Tetra
Scientific Name
Carassius auratus
Thayeria boehlkei
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
15 gallons
Recommended Tank
55 gallons
20 gallons
Temperature
65°F - 75°F
72°F - 82°F
pH Range
7 - 8.4
6 - 7.5
Max Size
12 inches
3 inches
Lifespan
10-20 years
5-8 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods
High-quality flake food, Small pellets, Bloodworms, Brine shrimp
Comet Goldfish
✓ Good For
- Community tanks
- Beginners
Penguin Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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