P
Pajama Cardinalfish
Sphaeramia nematoptera
VS
U
Upside Down Catfish
Synodontis nigriventris
Choosing between Pajama Cardinalfish and Upside Down 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
Upside Down Catfish
Synodontis nigriventrisCommon Name
Pajama Cardinalfish
Upside Down Catfish
Scientific Name
Sphaeramia nematoptera
Synodontis nigriventris
Type
Saltwater / Marine
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
20 gallons
Recommended Tank
30 gallons
30 gallons
Temperature
72°F - 78°F
72°F - 79°F
pH Range
8.1 - 8.4
6 - 7.5
Max Size
3 inches
4 inches
Lifespan
5-8 years
5-8 years
Diet
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
Flakes, Pellets, Frozen foods, Algae wafers
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Upside Down Catfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
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