G

Guppy

Poecilia reticulata

VS
M

Molly

Poecilia sphenops

Choosing between Guppy 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.

Guppy

Poecilia reticulata
VS

Molly

Poecilia sphenops
These fish can typically coexist peacefully
Common Name
Guppy
Molly
Scientific Name
Poecilia reticulata
Poecilia sphenops
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
5 gallons
20 gallons
Recommended Tank
10 gallons
30 gallons
Temperature
72°F - 82°F
75°F - 82°F
pH Range
6.8 - 7.8
7.5 - 8.5
Max Size
2.5 inches
4.5 inches
Lifespan
1-3 years
3-5 years
Diet
Flakes, Pellets, Frozen foods, Vegetables
High-quality vegetable-based flake food, Algae wafers, Spirulina, Blanched vegetables, Frozen daphnia, Bloodworms

Guppy

✓ Good For

  • Community tanks
  • Beginners
  • Small tanks

Molly

✓ Good For

  • Community tanks
  • Beginners
Explore More

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