L
Lawnmower Blenny
Salarias fasciatus
VS
M
Molly
Poecilia sphenops
Choosing between Lawnmower Blenny and Molly? 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
Molly
Poecilia sphenopsCommon Name
Lawnmower Blenny
Molly
Scientific Name
Salarias fasciatus
Poecilia sphenops
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
30 gallons
20 gallons
Recommended Tank
55 gallons
30 gallons
Temperature
75°F - 82°F
75°F - 82°F
pH Range
8.1 - 8.4
7.5 - 8.5
Max Size
6 inches
4.5 inches
Lifespan
2-6 years
3-5 years
Diet
Marine algae, Hair algae, Diatoms, Nori, Spirulina, Marine pellets
High-quality vegetable-based flake food, Algae wafers, Spirulina, Blanched vegetables, Frozen daphnia, Bloodworms
Lawnmower Blenny
✓ Good For
- Community tanks
Molly
✓ Good For
- Community tanks
- Beginners
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