B
Blue-Green Chromis
Chromis viridis
VS
R
Rosy Barb
Pethia conchonius
Choosing between Blue-Green Chromis and Rosy Barb? 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
Rosy Barb
Pethia conchoniusCommon Name
Blue-Green Chromis
Rosy Barb
Scientific Name
Chromis viridis
Pethia conchonius
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Semi-Aggressive
Minimum Tank
30 gallons
30 gallons
Recommended Tank
55 gallons
40 gallons
Temperature
75°F - 82°F
74°F - 82°F
pH Range
8.1 - 8.4
6 - 8
Max Size
4 inches
6 inches
Lifespan
8-15 years
4-6 years
Diet
Marine flakes, Marine pellets, Frozen foods, Brine shrimp, Mysis shrimp, Copepods
Flakes, Pellets, Frozen foods, Vegetables, Live foods
Blue-Green Chromis
✓ Good For
- Community tanks
- Schooling displays
Rosy Barb
✓ Good For
- Community tanks
- Beginners
- Schooling displays
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