G
Glowlight Tetra
Hemigrammus erythrozonus
VS
H
Helfrichi Firefish
Nemateleotris helfrichi
Choosing between Glowlight 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.
Glowlight Tetra
Hemigrammus erythrozonusVS
Helfrichi Firefish
Nemateleotris helfrichiCommon Name
Glowlight Tetra
Helfrichi Firefish
Scientific Name
Hemigrammus erythrozonus
Nemateleotris helfrichi
Type
Freshwater
Saltwater / Marine
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Peaceful
Minimum Tank
10 gallons
20 gallons
Recommended Tank
20 gallons
30 gallons
Temperature
74°F - 82°F
72°F - 78°F
pH Range
6 - 7.5
8.1 - 8.4
Max Size
1.5 inches
2.5 inches
Lifespan
2-4 years
3-5 years
Diet
Flakes, Micro pellets, Frozen foods, Live foods
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Glowlight Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
Helfrichi Firefish
✓ Good For
- Community tanks
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