C
Cardinal Tetra
Paracheirodon axelrodi
VS
P
Penguin Tetra
Thayeria boehlkei
Choosing between Cardinal Tetra 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.
Cardinal Tetra
Paracheirodon axelrodiVS
Penguin Tetra
Thayeria boehlkeiCommon Name
Cardinal Tetra
Penguin Tetra
Scientific Name
Paracheirodon axelrodi
Thayeria boehlkei
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
15 gallons
Recommended Tank
30 gallons
20 gallons
Temperature
73°F - 81°F
72°F - 82°F
pH Range
5.5 - 7
6 - 7.5
Max Size
2 inches
3 inches
Lifespan
3-5 years
5-8 years
Diet
High-quality flake food, Micro pellets, Frozen or live brine shrimp, Daphnia
High-quality flake food, Small pellets, Bloodworms, Brine shrimp
Cardinal Tetra
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Penguin Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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