S
Swordtail
Xiphophorus hellerii
VS
X
X-Ray Tetra
Pristella maxillaris
Choosing between Swordtail and X-Ray 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.
Swordtail
Xiphophorus helleriiVS
X-Ray Tetra
Pristella maxillarisCommon Name
Swordtail
X-Ray Tetra
Scientific Name
Xiphophorus hellerii
Pristella maxillaris
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
15 gallons
10 gallons
Recommended Tank
29 gallons
20 gallons
Temperature
72°F - 82°F
64°F - 82°F
pH Range
7 - 8.4
6 - 8
Max Size
5.5 inches
2 inches
Lifespan
3-5 years
4-6 years
Diet
High-quality flake food, Algae-based foods, Vegetable matter, Frozen bloodworms, Brine shrimp, Daphnia
Flakes, Pellets, Frozen foods
Swordtail
✓ Good For
- Community tanks
- Beginners
X-Ray Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
Explore More
Similar Comparisons
Discover other popular fish pairings to find your perfect aquarium match.