O
Opaline Gourami
Trichogaster trichopterus (Opaline variant)
VS
P
Pajama Cardinalfish
Sphaeramia nematoptera
Choosing between Opaline Gourami 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.
Opaline Gourami
Trichogaster trichopterus (Opaline variant)VS
Pajama Cardinalfish
Sphaeramia nematopteraCommon Name
Opaline Gourami
Pajama Cardinalfish
Scientific Name
Trichogaster trichopterus (Opaline variant)
Sphaeramia nematoptera
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
30 gallons
20 gallons
Recommended Tank
40 gallons
30 gallons
Temperature
72°F - 82°F
72°F - 78°F
pH Range
6 - 8
8.1 - 8.4
Max Size
6 inches
3 inches
Lifespan
4-6 years
5-8 years
Diet
Flakes, Pellets, Frozen foods, Vegetables
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
Opaline Gourami
✓ Good For
- Community tanks
- Beginners
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
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