B
Blue-Green Chromis
Chromis viridis
VS
P
Purple Firefish
Nemateleotris decora
Choosing between Blue-Green Chromis and Purple Firefish? 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
Purple Firefish
Nemateleotris decoraCommon Name
Blue-Green Chromis
Purple Firefish
Scientific Name
Chromis viridis
Nemateleotris decora
Type
Saltwater / Marine
Saltwater / Marine
Difficulty
Intermediate
Intermediate
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
3-5 years
Diet
Marine flakes, Marine pellets, Frozen foods, Brine shrimp, Mysis shrimp, Copepods
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Blue-Green Chromis
✓ Good For
- Community tanks
- Schooling displays
Purple Firefish
✓ Good For
- Community tanks
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