B
Betta Fish
Betta splendens
VS
R
Rainbow Shark
Epalzeorhynchos frenatum
Choosing between Betta Fish 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.
Betta Fish
Betta splendensVS
Rainbow Shark
Epalzeorhynchos frenatumCommon Name
Betta Fish
Rainbow Shark
Scientific Name
Betta splendens
Epalzeorhynchos frenatum
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Aggressive
Semi-Aggressive
Minimum Tank
5 gallons
30 gallons
Recommended Tank
10 gallons
55 gallons
Temperature
76°F - 82°F
72°F - 79°F
pH Range
6.5 - 7.5
6.5 - 7.5
Max Size
3 inches
6 inches
Lifespan
2-5 years
5-8 years
Diet
Pellets, Flakes, Freeze-dried foods, Live foods (occasionally)
Algae wafers, Pellets, Vegetables, Flakes
Betta Fish
✓ Good For
- Beginners
- Small tanks
Rainbow Shark
✓ Good For
- Community tanks
- Beginners
Explore More
Similar Comparisons
Discover other popular fish pairings to find your perfect aquarium match.