B

Blue-Green Chromis

Chromis viridis

VS
M

Molly

Poecilia sphenops

Choosing between Blue-Green Chromis 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.

Blue-Green Chromis

Chromis viridis
VS

Molly

Poecilia sphenops
These fish can typically coexist peacefully
Common Name
Blue-Green Chromis
Molly
Scientific Name
Chromis viridis
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
4 inches
4.5 inches
Lifespan
8-15 years
3-5 years
Diet
Marine flakes, Marine pellets, Frozen foods, Brine shrimp, Mysis shrimp, Copepods
High-quality vegetable-based flake food, Algae wafers, Spirulina, Blanched vegetables, Frozen daphnia, Bloodworms

Blue-Green Chromis

✓ Good For

  • Community tanks
  • Schooling displays

Molly

✓ Good For

  • Community tanks
  • Beginners
Explore More

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