C
Cardinal Tetra
Paracheirodon axelrodi
VS
D
Discus
Symphysodon spp.
Choosing between Cardinal Tetra and Discus? 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
Discus
Symphysodon spp.Common Name
Cardinal Tetra
Discus
Scientific Name
Paracheirodon axelrodi
Symphysodon spp.
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Advanced
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
55 gallons
Recommended Tank
30 gallons
75 gallons
Temperature
73°F - 81°F
82°F - 88°F
pH Range
5.5 - 7
6 - 7
Max Size
2 inches
8 inches
Lifespan
3-5 years
10-15 years
Diet
High-quality flake food, Micro pellets, Frozen or live brine shrimp, Daphnia
High-quality pellets, Beef heart, Frozen foods, Live foods
Cardinal Tetra
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Discus
✓ Good For
- Community tanks
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