C

Cardinal Tetra

Paracheirodon axelrodi

VS
R

Redtail Catfish

Phractocephalus hemioliopterus

Choosing between Cardinal Tetra and Redtail Catfish? 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 axelrodi
VS

Redtail Catfish

Phractocephalus hemioliopterus
These fish may not be compatible - check temperament and water requirements
Common Name
Cardinal Tetra
Redtail Catfish
Scientific Name
Paracheirodon axelrodi
Phractocephalus hemioliopterus
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Advanced
Temperament
Peaceful
Aggressive
Minimum Tank
20 gallons
300 gallons
Recommended Tank
30 gallons
1000 gallons
Temperature
73°F - 81°F
72°F - 79°F
pH Range
5.5 - 7
6 - 7.5
Max Size
2 inches
48 inches
Lifespan
3-5 years
15-20 years
Diet
High-quality flake food, Micro pellets, Frozen or live brine shrimp, Daphnia
Fish, Shrimp, Worms, Pellets, Chicken, Beef

Cardinal Tetra

✓ Good For

  • Community tanks
  • Beginners
  • Schooling displays

Redtail Catfish

✓ Good For

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