P
Paradise Fish
Macropodus opercularis
VS
P
Pajama Cardinalfish
Sphaeramia nematoptera
Choosing between Paradise Fish 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.
Paradise Fish
Macropodus opercularisVS
Pajama Cardinalfish
Sphaeramia nematopteraCommon Name
Paradise Fish
Pajama Cardinalfish
Scientific Name
Macropodus opercularis
Sphaeramia nematoptera
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Aggressive
Peaceful
Minimum Tank
20 gallons
20 gallons
Recommended Tank
30 gallons
30 gallons
Temperature
61°F - 80°F
72°F - 78°F
pH Range
6 - 8
8.1 - 8.4
Max Size
4 inches
3 inches
Lifespan
6-10 years
5-8 years
Diet
Flakes, Pellets, Frozen foods, Live foods
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
Paradise Fish
✓ Good For
- Beginners
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
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