G
Guppy
Poecilia reticulata
VS
L
Lawnmower Blenny
Salarias fasciatus
Choosing between Guppy 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.
Guppy
Poecilia reticulataVS
Lawnmower Blenny
Salarias fasciatusCommon Name
Guppy
Lawnmower Blenny
Scientific Name
Poecilia reticulata
Salarias fasciatus
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
5 gallons
30 gallons
Recommended Tank
10 gallons
55 gallons
Temperature
72°F - 82°F
75°F - 82°F
pH Range
6.8 - 7.8
8.1 - 8.4
Max Size
2.5 inches
6 inches
Lifespan
1-3 years
2-6 years
Diet
Flakes, Pellets, Frozen foods, Vegetables
Marine algae, Hair algae, Diatoms, Nori, Spirulina, Marine pellets
Guppy
✓ Good For
- Community tanks
- Beginners
- Small tanks
Lawnmower Blenny
✓ Good For
- Community tanks
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