M

Molly

Poecilia sphenops

VS
R

Rainbow Shark

Epalzeorhynchos frenatum

Choosing between Molly and Rainbow Shark? 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 sphenops
VS

Rainbow Shark

Epalzeorhynchos frenatum
These fish can typically coexist peacefully
Common Name
Molly
Rainbow Shark
Scientific Name
Poecilia sphenops
Epalzeorhynchos frenatum
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Semi-Aggressive
Minimum Tank
20 gallons
30 gallons
Recommended Tank
30 gallons
55 gallons
Temperature
75°F - 82°F
72°F - 79°F
pH Range
7.5 - 8.5
6.5 - 7.5
Max Size
4.5 inches
6 inches
Lifespan
3-5 years
5-8 years
Diet
High-quality vegetable-based flake food, Algae wafers, Spirulina, Blanched vegetables, Frozen daphnia, Bloodworms
Algae wafers, Pellets, Vegetables, Flakes

Molly

✓ Good For

  • Community tanks
  • Beginners

Rainbow Shark

✓ Good For

  • Community tanks
  • Beginners
Explore More

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