C
Costello Tetra
Hemigrammus hyanuary
VS
T
Turquoise Rainbowfish
Melanotaenia lacustris
Choosing between Costello Tetra and Turquoise Rainbowfish? 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
Turquoise Rainbowfish
Melanotaenia lacustrisCommon Name
Costello Tetra
Turquoise Rainbowfish
Scientific Name
Hemigrammus hyanuary
Melanotaenia lacustris
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
10 gallons
40 gallons
Recommended Tank
20 gallons
55 gallons
Temperature
72°F - 79°F
72°F - 79°F
pH Range
5.5 - 7
7 - 8
Max Size
2 inches
4 inches
Lifespan
3-5 years
5-8 years
Diet
High-quality flake food, Micro pellets, Brine shrimp, Daphnia
High-quality flake food, Small pellets, Frozen foods, Vegetable matter
Costello Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
Turquoise Rainbowfish
✓ Good For
- Community tanks
- Schooling displays
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