P
Pajama Cardinalfish
Sphaeramia nematoptera
VS
S
Siamese Algae Eater
Crossocheilus oblongus
Choosing between Pajama Cardinalfish and Siamese Algae Eater? 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
Siamese Algae Eater
Crossocheilus oblongusCommon Name
Pajama Cardinalfish
Siamese Algae Eater
Scientific Name
Sphaeramia nematoptera
Crossocheilus oblongus
Type
Saltwater / Marine
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
30 gallons
Recommended Tank
30 gallons
55 gallons
Temperature
72°F - 78°F
75°F - 79°F
pH Range
8.1 - 8.4
6.5 - 7.5
Max Size
3 inches
6 inches
Lifespan
5-8 years
10-12 years
Diet
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
Algae, Algae wafers, Vegetables, Flakes, Frozen foods
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Siamese Algae Eater
✓ Good For
- Community tanks
- Beginners
- Schooling displays
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