E
Emperor Tetra
Nematobrycon palmeri
VS
P
Purple Firefish
Nemateleotris decora
Choosing between Emperor Tetra 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.
Emperor Tetra
Nematobrycon palmeriVS
Purple Firefish
Nemateleotris decoraCommon Name
Emperor Tetra
Purple Firefish
Scientific Name
Nematobrycon palmeri
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
73°F - 80°F
72°F - 78°F
pH Range
6 - 7.5
8.1 - 8.4
Max Size
2.5 inches
3 inches
Lifespan
4-6 years
3-5 years
Diet
Flakes, Micro pellets, Frozen foods, Live foods
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Emperor Tetra
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Purple Firefish
✓ Good For
- Community tanks
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