R
Redtail Catfish
Phractocephalus hemioliopterus
VS
T
Threadfin Rainbowfish
Iriatherina werneri
Choosing between Redtail Catfish and Threadfin 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.
Redtail Catfish
Phractocephalus hemioliopterusVS
Threadfin Rainbowfish
Iriatherina werneriCommon Name
Redtail Catfish
Threadfin Rainbowfish
Scientific Name
Phractocephalus hemioliopterus
Iriatherina werneri
Type
Freshwater
Freshwater
Difficulty
Advanced
Intermediate
Temperament
Aggressive
Peaceful
Minimum Tank
300 gallons
10 gallons
Recommended Tank
1000 gallons
20 gallons
Temperature
72°F - 79°F
75°F - 82°F
pH Range
6 - 7.5
6 - 7.5
Max Size
48 inches
2 inches
Lifespan
15-20 years
3-5 years
Diet
Fish, Shrimp, Worms, Pellets, Chicken, Beef
Small pellets, Frozen foods, Brine shrimp, Daphnia
Redtail Catfish
✓ Good For
Threadfin Rainbowfish
✓ Good For
- Community tanks
- Small tanks
- Schooling displays
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