C
Chinese Algae Eater
Gyrinocheilus aymonieri
VS
P
Pajama Cardinalfish
Sphaeramia nematoptera
Choosing between Chinese Algae Eater 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.
Chinese Algae Eater
Gyrinocheilus aymonieriVS
Pajama Cardinalfish
Sphaeramia nematopteraCommon Name
Chinese Algae Eater
Pajama Cardinalfish
Scientific Name
Gyrinocheilus aymonieri
Sphaeramia nematoptera
Type
Freshwater
Saltwater / Marine
Difficulty
Intermediate
Beginner Friendly
Temperament
Aggressive
Peaceful
Minimum Tank
30 gallons
20 gallons
Recommended Tank
55 gallons
30 gallons
Temperature
74°F - 80°F
72°F - 78°F
pH Range
6.8 - 7.5
8.1 - 8.4
Max Size
11 inches
3 inches
Lifespan
10-15 years
5-8 years
Diet
Algae, Algae wafers, Flakes, Fish slime (if aggressive)
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
Chinese Algae Eater
✓ Good For
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
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