D
Discus
Symphysodon spp.
VS
T
Threadfin Rainbowfish
Iriatherina werneri
Choosing between Discus and Threadfin Rainbowfish? 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.
Discus
Symphysodon spp.VS
Threadfin Rainbowfish
Iriatherina werneriCommon Name
Discus
Threadfin Rainbowfish
Scientific Name
Symphysodon spp.
Iriatherina werneri
Type
Freshwater
Freshwater
Difficulty
Advanced
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
55 gallons
10 gallons
Recommended Tank
75 gallons
20 gallons
Temperature
82°F - 88°F
75°F - 82°F
pH Range
6 - 7
6 - 7.5
Max Size
8 inches
2 inches
Lifespan
10-15 years
3-5 years
Diet
High-quality pellets, Beef heart, Frozen foods, Live foods
Small pellets, Frozen foods, Brine shrimp, Daphnia
Discus
✓ Good For
- Community tanks
Threadfin Rainbowfish
✓ Good For
- Community tanks
- Small tanks
- Schooling displays
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