O
Oscar
Astronotus ocellatus
VS
S
Swordtail
Xiphophorus hellerii
Choosing between Oscar 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.
Oscar
Astronotus ocellatusVS
Swordtail
Xiphophorus helleriiCommon Name
Oscar
Swordtail
Scientific Name
Astronotus ocellatus
Xiphophorus hellerii
Type
Freshwater
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Aggressive
Peaceful
Minimum Tank
75 gallons
15 gallons
Recommended Tank
125 gallons
29 gallons
Temperature
74°F - 81°F
72°F - 82°F
pH Range
6.5 - 7.5
7 - 8.4
Max Size
14 inches
5.5 inches
Lifespan
10-20 years
3-5 years
Diet
Cichlid pellets, Live foods, Frozen foods, Vegetables, Shrimp
High-quality flake food, Algae-based foods, Vegetable matter, Frozen bloodworms, Brine shrimp, Daphnia
Oscar
✓ Good For
Swordtail
✓ Good For
- Community tanks
- Beginners
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