M
Molly
Poecilia sphenops
VS
R
Red Tail Shark
Epalzeorhynchos bicolor
Choosing between Molly and Red Tail Shark? 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.
Molly
Poecilia sphenopsVS
Red Tail Shark
Epalzeorhynchos bicolorCommon Name
Molly
Red Tail Shark
Scientific Name
Poecilia sphenops
Epalzeorhynchos bicolor
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Semi-Aggressive
Minimum Tank
20 gallons
30 gallons
Recommended Tank
30 gallons
55 gallons
Temperature
75°F - 82°F
72°F - 79°F
pH Range
7.5 - 8.5
6.5 - 7.5
Max Size
4.5 inches
6 inches
Lifespan
3-5 years
5-8 years
Diet
High-quality vegetable-based flake food, Algae wafers, Spirulina, Blanched vegetables, Frozen daphnia, Bloodworms
Algae wafers, Pellets, Vegetables, Flakes
Molly
✓ Good For
- Community tanks
- Beginners
Red Tail Shark
✓ Good For
- Community tanks
- Beginners
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