B
Blue-Green Chromis
Chromis viridis
VS
C
Costello Tetra
Hemigrammus hyanuary
Choosing between Blue-Green Chromis and Costello Tetra? 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
Costello Tetra
Hemigrammus hyanuaryCommon Name
Blue-Green Chromis
Costello Tetra
Scientific Name
Chromis viridis
Hemigrammus hyanuary
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
10 gallons
Recommended Tank
55 gallons
20 gallons
Temperature
75°F - 82°F
72°F - 79°F
pH Range
8.1 - 8.4
5.5 - 7
Max Size
4 inches
2 inches
Lifespan
8-15 years
3-5 years
Diet
Marine flakes, Marine pellets, Frozen foods, Brine shrimp, Mysis shrimp, Copepods
High-quality flake food, Micro pellets, Brine shrimp, Daphnia
Blue-Green Chromis
✓ Good For
- Community tanks
- Schooling displays
Costello Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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