R
Redtail Catfish
Phractocephalus hemioliopterus
VS
S
Swordtail
Xiphophorus hellerii
Choosing between Redtail Catfish and Swordtail? 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.
Redtail Catfish
Phractocephalus hemioliopterusVS
Swordtail
Xiphophorus helleriiCommon Name
Redtail Catfish
Swordtail
Scientific Name
Phractocephalus hemioliopterus
Xiphophorus hellerii
Type
Freshwater
Freshwater
Difficulty
Advanced
Beginner Friendly
Temperament
Aggressive
Peaceful
Minimum Tank
300 gallons
15 gallons
Recommended Tank
1000 gallons
29 gallons
Temperature
72°F - 79°F
72°F - 82°F
pH Range
6 - 7.5
7 - 8.4
Max Size
48 inches
5.5 inches
Lifespan
15-20 years
3-5 years
Diet
Fish, Shrimp, Worms, Pellets, Chicken, Beef
High-quality flake food, Algae-based foods, Vegetable matter, Frozen bloodworms, Brine shrimp, Daphnia
Redtail Catfish
✓ Good For
Swordtail
✓ Good For
- Community tanks
- Beginners
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