T
Threadfin Rainbowfish
Iriatherina werneri
VS
T
Turquoise Rainbowfish
Melanotaenia lacustris
Choosing between Threadfin Rainbowfish and Turquoise 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.
Threadfin Rainbowfish
Iriatherina werneriVS
Turquoise Rainbowfish
Melanotaenia lacustrisCommon Name
Threadfin Rainbowfish
Turquoise Rainbowfish
Scientific Name
Iriatherina werneri
Melanotaenia lacustris
Type
Freshwater
Freshwater
Difficulty
Intermediate
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
10 gallons
40 gallons
Recommended Tank
20 gallons
55 gallons
Temperature
75°F - 82°F
72°F - 79°F
pH Range
6 - 7.5
7 - 8
Max Size
2 inches
4 inches
Lifespan
3-5 years
5-8 years
Diet
Small pellets, Frozen foods, Brine shrimp, Daphnia
High-quality flake food, Small pellets, Frozen foods, Vegetable matter
Threadfin Rainbowfish
✓ Good For
- Community tanks
- Small tanks
- Schooling displays
Turquoise Rainbowfish
✓ Good For
- Community tanks
- Schooling displays
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