P
Pajama Cardinalfish
Sphaeramia nematoptera
VS
R
Red Rainbowfish
Glossolepis incisus
Choosing between Pajama Cardinalfish and Red 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.
Pajama Cardinalfish
Sphaeramia nematopteraVS
Red Rainbowfish
Glossolepis incisusCommon Name
Pajama Cardinalfish
Red Rainbowfish
Scientific Name
Sphaeramia nematoptera
Glossolepis incisus
Type
Saltwater / Marine
Freshwater
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
40 gallons
Recommended Tank
30 gallons
55 gallons
Temperature
72°F - 78°F
75°F - 82°F
pH Range
8.1 - 8.4
7 - 8
Max Size
3 inches
6 inches
Lifespan
5-8 years
5-8 years
Diet
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
High-quality flake food, Pellets, Frozen foods, Vegetable matter
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Red Rainbowfish
✓ Good For
- Community tanks
- Schooling displays
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