T
Threadfin Rainbowfish
Iriatherina werneri
VS
U
Upside Down Catfish
Synodontis nigriventris
Choosing between Threadfin Rainbowfish 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.
Threadfin Rainbowfish
Iriatherina werneriVS
Upside Down Catfish
Synodontis nigriventrisCommon Name
Threadfin Rainbowfish
Upside Down Catfish
Scientific Name
Iriatherina werneri
Synodontis nigriventris
Type
Freshwater
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
10 gallons
20 gallons
Recommended Tank
20 gallons
30 gallons
Temperature
75°F - 82°F
72°F - 79°F
pH Range
6 - 7.5
6 - 7.5
Max Size
2 inches
4 inches
Lifespan
3-5 years
5-8 years
Diet
Small pellets, Frozen foods, Brine shrimp, Daphnia
Flakes, Pellets, Frozen foods, Algae wafers
Threadfin Rainbowfish
✓ Good For
- Community tanks
- Small tanks
- Schooling displays
Upside Down Catfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
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