C
Costello Tetra
Hemigrammus hyanuary
VS
P
Penguin Tetra
Thayeria boehlkei
Choosing between Costello Tetra and Penguin 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.
Costello Tetra
Hemigrammus hyanuaryVS
Penguin Tetra
Thayeria boehlkeiCommon Name
Costello Tetra
Penguin Tetra
Scientific Name
Hemigrammus hyanuary
Thayeria boehlkei
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
10 gallons
15 gallons
Recommended Tank
20 gallons
20 gallons
Temperature
72°F - 79°F
72°F - 82°F
pH Range
5.5 - 7
6 - 7.5
Max Size
2 inches
3 inches
Lifespan
3-5 years
5-8 years
Diet
High-quality flake food, Micro pellets, Brine shrimp, Daphnia
High-quality flake food, Small pellets, Bloodworms, Brine shrimp
Costello Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
Penguin Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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