C
Costello Tetra
Hemigrammus hyanuary
VS
M
Molly
Poecilia sphenops
Choosing between Costello Tetra and Molly? 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
Molly
Poecilia sphenopsCommon Name
Costello Tetra
Molly
Scientific Name
Hemigrammus hyanuary
Poecilia sphenops
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
10 gallons
20 gallons
Recommended Tank
20 gallons
30 gallons
Temperature
72°F - 79°F
75°F - 82°F
pH Range
5.5 - 7
7.5 - 8.5
Max Size
2 inches
4.5 inches
Lifespan
3-5 years
3-5 years
Diet
High-quality flake food, Micro pellets, Brine shrimp, Daphnia
High-quality vegetable-based flake food, Algae wafers, Spirulina, Blanched vegetables, Frozen daphnia, Bloodworms
Costello Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
Molly
✓ Good For
- Community tanks
- Beginners
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