B
Blue Tang
Paracanthurus hepatus
VS
T
Turquoise Rainbowfish
Melanotaenia lacustris
Choosing between Blue Tang 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.
Blue Tang
Paracanthurus hepatusVS
Turquoise Rainbowfish
Melanotaenia lacustrisCommon Name
Blue Tang
Turquoise Rainbowfish
Scientific Name
Paracanthurus hepatus
Melanotaenia lacustris
Type
Saltwater / Marine
Freshwater
Difficulty
Advanced
Intermediate
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
125 gallons
40 gallons
Recommended Tank
180 gallons
55 gallons
Temperature
72°F - 78°F
72°F - 79°F
pH Range
8.1 - 8.4
7 - 8
Max Size
12 inches
4 inches
Lifespan
8-12 years
5-8 years
Diet
Marine algae, Nori, Marine pellets, Frozen foods, Spirulina
High-quality flake food, Small pellets, Frozen foods, Vegetable matter
Blue Tang
✓ Good For
- Community tanks
Turquoise Rainbowfish
✓ Good For
- Community tanks
- Schooling displays
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