H
Helfrichi Firefish
Nemateleotris helfrichi
VS
P
Penguin Tetra
Thayeria boehlkei
Choosing between Helfrichi Firefish and Penguin Tetra? 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.
Helfrichi Firefish
Nemateleotris helfrichiVS
Penguin Tetra
Thayeria boehlkeiCommon Name
Helfrichi Firefish
Penguin Tetra
Scientific Name
Nemateleotris helfrichi
Thayeria boehlkei
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
20 gallons
15 gallons
Recommended Tank
30 gallons
20 gallons
Temperature
72°F - 78°F
72°F - 82°F
pH Range
8.1 - 8.4
6 - 7.5
Max Size
2.5 inches
3 inches
Lifespan
3-5 years
5-8 years
Diet
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
High-quality flake food, Small pellets, Bloodworms, Brine shrimp
Helfrichi Firefish
✓ Good For
- Community tanks
Penguin Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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