B
Black Phantom Tetra
Megalamphodus megalopterus
VS
H
Helfrichi Firefish
Nemateleotris helfrichi
Choosing between Black Phantom Tetra and Helfrichi 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.
Black Phantom Tetra
Megalamphodus megalopterusVS
Helfrichi Firefish
Nemateleotris helfrichiCommon Name
Black Phantom Tetra
Helfrichi Firefish
Scientific Name
Megalamphodus megalopterus
Nemateleotris helfrichi
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
20 gallons
Recommended Tank
30 gallons
30 gallons
Temperature
72°F - 82°F
72°F - 78°F
pH Range
6 - 7.5
8.1 - 8.4
Max Size
1.8 inches
2.5 inches
Lifespan
5-6 years
3-5 years
Diet
Flakes, Pellets, Frozen foods
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Black Phantom Tetra
✓ Good For
- Community tanks
- Beginners
- Schooling displays
Helfrichi Firefish
✓ Good For
- Community tanks
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