M
Molly
Poecilia sphenops
VS
P
Purple Firefish
Nemateleotris decora
Choosing between Molly and Purple Firefish? 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
Purple Firefish
Nemateleotris decoraCommon Name
Molly
Purple Firefish
Scientific Name
Poecilia sphenops
Nemateleotris decora
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
20 gallons
Recommended Tank
30 gallons
30 gallons
Temperature
75°F - 82°F
72°F - 78°F
pH Range
7.5 - 8.5
8.1 - 8.4
Max Size
4.5 inches
3 inches
Lifespan
3-5 years
3-5 years
Diet
High-quality vegetable-based flake food, Algae wafers, Spirulina, Blanched vegetables, Frozen daphnia, Bloodworms
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Molly
✓ Good For
- Community tanks
- Beginners
Purple Firefish
✓ Good For
- Community tanks
Explore More
Similar Comparisons
Discover other popular fish pairings to find your perfect aquarium match.