B
Blue Tang
Paracanthurus hepatus
VS
S
Swordtail
Xiphophorus hellerii
Choosing between Blue Tang 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 Tang
Paracanthurus hepatusVS
Swordtail
Xiphophorus helleriiCommon Name
Blue Tang
Swordtail
Scientific Name
Paracanthurus hepatus
Xiphophorus hellerii
Type
Saltwater / Marine
Freshwater
Difficulty
Advanced
Beginner Friendly
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
125 gallons
15 gallons
Recommended Tank
180 gallons
29 gallons
Temperature
72°F - 78°F
72°F - 82°F
pH Range
8.1 - 8.4
7 - 8.4
Max Size
12 inches
5.5 inches
Lifespan
8-12 years
3-5 years
Diet
Marine algae, Nori, Marine pellets, Frozen foods, Spirulina
High-quality flake food, Algae-based foods, Vegetable matter, Frozen bloodworms, Brine shrimp, Daphnia
Blue Tang
✓ Good For
- Community tanks
Swordtail
✓ Good For
- Community tanks
- Beginners
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