O
Opaline Gourami
Trichogaster trichopterus (Opaline variant)
VS
T
Threadfin Rainbowfish
Iriatherina werneri
Choosing between Opaline Gourami 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.
Opaline Gourami
Trichogaster trichopterus (Opaline variant)VS
Threadfin Rainbowfish
Iriatherina werneriCommon Name
Opaline Gourami
Threadfin Rainbowfish
Scientific Name
Trichogaster trichopterus (Opaline variant)
Iriatherina werneri
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Intermediate
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
30 gallons
10 gallons
Recommended Tank
40 gallons
20 gallons
Temperature
72°F - 82°F
75°F - 82°F
pH Range
6 - 8
6 - 7.5
Max Size
6 inches
2 inches
Lifespan
4-6 years
3-5 years
Diet
Flakes, Pellets, Frozen foods, Vegetables
Small pellets, Frozen foods, Brine shrimp, Daphnia
Opaline Gourami
✓ Good For
- Community tanks
- Beginners
Threadfin Rainbowfish
✓ Good For
- Community tanks
- Small tanks
- Schooling displays
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