G
Guppy
Poecilia reticulata
VS
P
Purple Firefish
Nemateleotris decora
Choosing between Guppy 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.
Guppy
Poecilia reticulataVS
Purple Firefish
Nemateleotris decoraCommon Name
Guppy
Purple Firefish
Scientific Name
Poecilia reticulata
Nemateleotris decora
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
5 gallons
20 gallons
Recommended Tank
10 gallons
30 gallons
Temperature
72°F - 82°F
72°F - 78°F
pH Range
6.8 - 7.8
8.1 - 8.4
Max Size
2.5 inches
3 inches
Lifespan
1-3 years
3-5 years
Diet
Flakes, Pellets, Frozen foods, Vegetables
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Guppy
✓ Good For
- Community tanks
- Beginners
- Small tanks
Purple Firefish
✓ Good For
- Community tanks
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