G
Gardneri Killifish
Fundulopanchax gardneri
VS
S
Swordtail
Xiphophorus hellerii
Choosing between Gardneri Killifish 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.
Gardneri Killifish
Fundulopanchax gardneriVS
Swordtail
Xiphophorus helleriiCommon Name
Gardneri Killifish
Swordtail
Scientific Name
Fundulopanchax gardneri
Xiphophorus hellerii
Type
Freshwater
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
10 gallons
15 gallons
Recommended Tank
20 gallons
29 gallons
Temperature
68°F - 75°F
72°F - 82°F
pH Range
6 - 7.5
7 - 8.4
Max Size
2.5 inches
5.5 inches
Lifespan
2-3 years
3-5 years
Diet
Live foods, Frozen foods, Flakes, Small pellets
High-quality flake food, Algae-based foods, Vegetable matter, Frozen bloodworms, Brine shrimp, Daphnia
Gardneri Killifish
✓ Good For
- Community tanks
- Small tanks
Swordtail
✓ Good For
- Community tanks
- Beginners
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