C
Common Goldfish
Carassius auratus
VS
S
Swordtail
Xiphophorus hellerii
Choosing between Common Goldfish 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.
Common Goldfish
Carassius auratusVS
Swordtail
Xiphophorus helleriiCommon Name
Common Goldfish
Swordtail
Scientific Name
Carassius auratus
Xiphophorus hellerii
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
15 gallons
Recommended Tank
55 gallons
29 gallons
Temperature
65°F - 75°F
72°F - 82°F
pH Range
7 - 8.4
7 - 8.4
Max Size
14 inches
5.5 inches
Lifespan
10-20 years
3-5 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods
High-quality flake food, Algae-based foods, Vegetable matter, Frozen bloodworms, Brine shrimp, Daphnia
Common Goldfish
✓ Good For
- Community tanks
- Beginners
Swordtail
✓ Good For
- Community tanks
- Beginners
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