B
Blue-Green Chromis
Chromis viridis
VS
P
Pajama Cardinalfish
Sphaeramia nematoptera
Choosing between Blue-Green Chromis 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.
Blue-Green Chromis
Chromis viridisVS
Pajama Cardinalfish
Sphaeramia nematopteraCommon Name
Blue-Green Chromis
Pajama Cardinalfish
Scientific Name
Chromis viridis
Sphaeramia nematoptera
Type
Saltwater / Marine
Saltwater / Marine
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
20 gallons
Recommended Tank
55 gallons
30 gallons
Temperature
75°F - 82°F
72°F - 78°F
pH Range
8.1 - 8.4
8.1 - 8.4
Max Size
4 inches
3 inches
Lifespan
8-15 years
5-8 years
Diet
Marine flakes, Marine pellets, Frozen foods, Brine shrimp, Mysis shrimp, Copepods
Marine pellets, Frozen Mysis shrimp, Frozen brine shrimp, Marine flakes
Blue-Green Chromis
✓ Good For
- Community tanks
- Schooling displays
Pajama Cardinalfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
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