G
Goldfish
Carassius auratus
VS
R
Red Tail Shark
Epalzeorhynchos bicolor
Choosing between Goldfish and Red Tail Shark? 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.
Goldfish
Carassius auratusVS
Red Tail Shark
Epalzeorhynchos bicolorCommon Name
Goldfish
Red Tail Shark
Scientific Name
Carassius auratus
Epalzeorhynchos bicolor
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Semi-Aggressive
Minimum Tank
20 gallons
30 gallons
Recommended Tank
30 gallons
55 gallons
Temperature
65°F - 75°F
72°F - 79°F
pH Range
7 - 8.4
6.5 - 7.5
Max Size
12 inches
6 inches
Lifespan
10-15 years
5-8 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods
Algae wafers, Pellets, Vegetables, Flakes
Goldfish
✓ Good For
- Community tanks
- Beginners
Red Tail Shark
✓ Good For
- Community tanks
- Beginners
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