P
Pajama Cardinalfish
Sphaeramia nematoptera
VS
R
Redtail Catfish
Phractocephalus hemioliopterus
Choosing between Pajama Cardinalfish 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.
Pajama Cardinalfish
Sphaeramia nematopteraVS
Redtail Catfish
Phractocephalus hemioliopterusCommon Name
Pajama Cardinalfish
Redtail Catfish
Scientific Name
Sphaeramia nematoptera
Phractocephalus hemioliopterus
Type
Saltwater / Marine
Freshwater
Difficulty
Beginner Friendly
Advanced
Temperament
Peaceful
Aggressive
Minimum Tank
20 gallons
300 gallons
Recommended Tank
30 gallons
1000 gallons
Temperature
72°F - 78°F
72°F - 79°F
pH Range
8.1 - 8.4
6 - 7.5
Max Size
3 inches
48 inches
Lifespan
5-8 years
15-20 years
Diet
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
Fish, Shrimp, Worms, Pellets, Chicken, Beef
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Redtail Catfish
✓ Good For
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