P
Pajama Cardinalfish
Sphaeramia nematoptera
VS
P
Penguin Tetra
Thayeria boehlkei
Choosing between Pajama Cardinalfish and Penguin Tetra? 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
Penguin Tetra
Thayeria boehlkeiCommon Name
Pajama Cardinalfish
Penguin Tetra
Scientific Name
Sphaeramia nematoptera
Thayeria boehlkei
Type
Saltwater / Marine
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
15 gallons
Recommended Tank
30 gallons
20 gallons
Temperature
72°F - 78°F
72°F - 82°F
pH Range
8.1 - 8.4
6 - 7.5
Max Size
3 inches
3 inches
Lifespan
5-8 years
5-8 years
Diet
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
High-quality flake food, Small pellets, Bloodworms, Brine shrimp
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Penguin Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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