E
Emperor Tetra
Nematobrycon palmeri
VS
P
Pajama Cardinalfish
Sphaeramia nematoptera
Choosing between Emperor Tetra and Pajama Cardinalfish? 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.
Emperor Tetra
Nematobrycon palmeriVS
Pajama Cardinalfish
Sphaeramia nematopteraCommon Name
Emperor Tetra
Pajama Cardinalfish
Scientific Name
Nematobrycon palmeri
Sphaeramia nematoptera
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
20 gallons
Recommended Tank
30 gallons
30 gallons
Temperature
73°F - 80°F
72°F - 78°F
pH Range
6 - 7.5
8.1 - 8.4
Max Size
2.5 inches
3 inches
Lifespan
4-6 years
5-8 years
Diet
Flakes, Micro pellets, Frozen foods, Live foods
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
Emperor Tetra
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
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