C
Cardinal Tetra
Paracheirodon axelrodi
VS
T
Turquoise Rainbowfish
Melanotaenia lacustris
Choosing between Cardinal Tetra and Turquoise Rainbowfish? 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
Turquoise Rainbowfish
Melanotaenia lacustrisCommon Name
Cardinal Tetra
Turquoise Rainbowfish
Scientific Name
Paracheirodon axelrodi
Melanotaenia lacustris
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
40 gallons
Recommended Tank
30 gallons
55 gallons
Temperature
73°F - 81°F
72°F - 79°F
pH Range
5.5 - 7
7 - 8
Max Size
2 inches
4 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, Frozen foods, Vegetable matter
Cardinal Tetra
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Turquoise Rainbowfish
✓ Good For
- Community tanks
- Schooling displays
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