B
Betta Fish
Betta splendens
VS
C
Costello Tetra
Hemigrammus hyanuary
Choosing between Betta Fish and Costello Tetra? 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
Costello Tetra
Hemigrammus hyanuaryCommon Name
Betta Fish
Costello Tetra
Scientific Name
Betta splendens
Hemigrammus hyanuary
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 - 79°F
pH Range
6.5 - 7.5
5.5 - 7
Max Size
3 inches
2 inches
Lifespan
2-5 years
3-5 years
Diet
Pellets, Flakes, Freeze-dried foods, Live foods (occasionally)
High-quality flake food, Micro pellets, Brine shrimp, Daphnia
Betta Fish
✓ Good For
- Beginners
- Small tanks
Costello Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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