G
Guppy
Poecilia reticulata
VS
R
Red Tail Shark
Epalzeorhynchos bicolor
Choosing between Guppy 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.
Guppy
Poecilia reticulataVS
Red Tail Shark
Epalzeorhynchos bicolorCommon Name
Guppy
Red Tail Shark
Scientific Name
Poecilia reticulata
Epalzeorhynchos bicolor
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Semi-Aggressive
Minimum Tank
5 gallons
30 gallons
Recommended Tank
10 gallons
55 gallons
Temperature
72°F - 82°F
72°F - 79°F
pH Range
6.8 - 7.8
6.5 - 7.5
Max Size
2.5 inches
6 inches
Lifespan
1-3 years
5-8 years
Diet
Flakes, Pellets, Frozen foods, Vegetables
Algae wafers, Pellets, Vegetables, Flakes
Guppy
✓ Good For
- Community tanks
- Beginners
- Small tanks
Red Tail Shark
✓ Good For
- Community tanks
- Beginners
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