C
Common Goldfish
Carassius auratus
VS
R
Rainbow Shark
Epalzeorhynchos frenatum
Choosing between Common Goldfish and Rainbow 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.
Common Goldfish
Carassius auratusVS
Rainbow Shark
Epalzeorhynchos frenatumCommon Name
Common Goldfish
Rainbow Shark
Scientific Name
Carassius auratus
Epalzeorhynchos frenatum
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Semi-Aggressive
Minimum Tank
30 gallons
30 gallons
Recommended Tank
55 gallons
55 gallons
Temperature
65°F - 75°F
72°F - 79°F
pH Range
7 - 8.4
6.5 - 7.5
Max Size
14 inches
6 inches
Lifespan
10-20 years
5-8 years
Diet
Goldfish pellets, Vegetables, Flakes, Frozen foods, Live foods
Algae wafers, Pellets, Vegetables, Flakes
Common Goldfish
✓ Good For
- Community tanks
- Beginners
Rainbow Shark
✓ Good For
- Community tanks
- Beginners
Explore More
Similar Comparisons
Discover other popular fish pairings to find your perfect aquarium match.