D
Dwarf Neon Rainbowfish
Melanotaenia praecox
VS
L
Lawnmower Blenny
Salarias fasciatus
Choosing between Dwarf Neon Rainbowfish and Lawnmower Blenny? 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.
Dwarf Neon Rainbowfish
Melanotaenia praecoxVS
Lawnmower Blenny
Salarias fasciatusCommon Name
Dwarf Neon Rainbowfish
Lawnmower Blenny
Scientific Name
Melanotaenia praecox
Salarias fasciatus
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
30 gallons
Recommended Tank
30 gallons
55 gallons
Temperature
72°F - 78°F
75°F - 82°F
pH Range
6.5 - 7.5
8.1 - 8.4
Max Size
2.5 inches
6 inches
Lifespan
4-6 years
2-6 years
Diet
Flakes, Pellets, Frozen foods, Live foods, Vegetable matter
Marine algae, Hair algae, Diatoms, Nori, Spirulina, Marine pellets
Dwarf Neon Rainbowfish
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Lawnmower Blenny
✓ Good For
- Community tanks
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