G
Guppy
Poecilia reticulata
VS
U
Upside Down Catfish
Synodontis nigriventris
Choosing between Guppy and Upside Down Catfish? 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
Upside Down Catfish
Synodontis nigriventrisCommon Name
Guppy
Upside Down Catfish
Scientific Name
Poecilia reticulata
Synodontis nigriventris
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
5 gallons
20 gallons
Recommended Tank
10 gallons
30 gallons
Temperature
72°F - 82°F
72°F - 79°F
pH Range
6.8 - 7.8
6 - 7.5
Max Size
2.5 inches
4 inches
Lifespan
1-3 years
5-8 years
Diet
Flakes, Pellets, Frozen foods, Vegetables
Flakes, Pellets, Frozen foods, Algae wafers
Guppy
✓ Good For
- Community tanks
- Beginners
- Small tanks
Upside Down Catfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
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