B
Blue-Green Chromis
Chromis viridis
VS
S
Swordtail
Xiphophorus hellerii
Choosing between Blue-Green Chromis and Swordtail? 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
Swordtail
Xiphophorus helleriiCommon Name
Blue-Green Chromis
Swordtail
Scientific Name
Chromis viridis
Xiphophorus hellerii
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
15 gallons
Recommended Tank
55 gallons
29 gallons
Temperature
75°F - 82°F
72°F - 82°F
pH Range
8.1 - 8.4
7 - 8.4
Max Size
4 inches
5.5 inches
Lifespan
8-15 years
3-5 years
Diet
Marine flakes, Marine pellets, Frozen foods, Brine shrimp, Mysis shrimp, Copepods
High-quality flake food, Algae-based foods, Vegetable matter, Frozen bloodworms, Brine shrimp, Daphnia
Blue-Green Chromis
✓ Good For
- Community tanks
- Schooling displays
Swordtail
✓ Good For
- Community tanks
- Beginners
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