M
Molly
Poecilia sphenops
VS
O
Otocinclus
Otocinclus affinis
Choosing between Molly and Otocinclus? 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.
Molly
Poecilia sphenopsVS
Otocinclus
Otocinclus affinisCommon Name
Molly
Otocinclus
Scientific Name
Poecilia sphenops
Otocinclus affinis
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
10 gallons
Recommended Tank
30 gallons
20 gallons
Temperature
75°F - 82°F
72°F - 79°F
pH Range
7.5 - 8.5
6 - 7.5
Max Size
4.5 inches
2 inches
Lifespan
3-5 years
3-5 years
Diet
High-quality vegetable-based flake food, Algae wafers, Spirulina, Blanched vegetables, Frozen daphnia, Bloodworms
Algae and biofilm, Algae wafers, Blanched vegetables, Zucchini, Cucumber, Spinach
Molly
✓ Good For
- Community tanks
- Beginners
Otocinclus
✓ Good For
- Community tanks
- Small tanks
- Schooling displays
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