L
Lawnmower Blenny
Salarias fasciatus
VS
T
Turquoise Rainbowfish
Melanotaenia lacustris
Choosing between Lawnmower Blenny 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.
Lawnmower Blenny
Salarias fasciatusVS
Turquoise Rainbowfish
Melanotaenia lacustrisCommon Name
Lawnmower Blenny
Turquoise Rainbowfish
Scientific Name
Salarias fasciatus
Melanotaenia lacustris
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
40 gallons
Recommended Tank
55 gallons
55 gallons
Temperature
75°F - 82°F
72°F - 79°F
pH Range
8.1 - 8.4
7 - 8
Max Size
6 inches
4 inches
Lifespan
2-6 years
5-8 years
Diet
Marine algae, Hair algae, Diatoms, Nori, Spirulina, Marine pellets
High-quality flake food, Small pellets, Frozen foods, Vegetable matter
Lawnmower Blenny
✓ Good For
- Community tanks
Turquoise Rainbowfish
✓ Good For
- Community tanks
- Schooling displays
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