B
Betta Fish
Betta splendens
VS
H
Harlequin Rasbora
Trigonostigma heteromorpha
Choosing between Betta Fish and Harlequin Rasbora? 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
Harlequin Rasbora
Trigonostigma heteromorphaCommon Name
Betta Fish
Harlequin Rasbora
Scientific Name
Betta splendens
Trigonostigma heteromorpha
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Aggressive
Peaceful
Minimum Tank
5 gallons
10 gallons
Recommended Tank
10 gallons
20 gallons
Temperature
76°F - 82°F
72°F - 81°F
pH Range
6.5 - 7.5
6 - 7.5
Max Size
3 inches
2 inches
Lifespan
2-5 years
5-8 years
Diet
Pellets, Flakes, Freeze-dried foods, Live foods (occasionally)
High-quality flake food, Micro pellets, Frozen daphnia, Bloodworms, Brine shrimp
Betta Fish
✓ Good For
- Beginners
- Small tanks
Harlequin Rasbora
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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