H
Helfrichi Firefish
Nemateleotris helfrichi
VS
O
Opaline Gourami
Trichogaster trichopterus (Opaline variant)
Choosing between Helfrichi Firefish and Opaline Gourami? 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
Opaline Gourami
Trichogaster trichopterus (Opaline variant)Common Name
Helfrichi Firefish
Opaline Gourami
Scientific Name
Nemateleotris helfrichi
Trichogaster trichopterus (Opaline variant)
Type
Saltwater / Marine
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Peaceful
Semi-Aggressive
Minimum Tank
20 gallons
30 gallons
Recommended Tank
30 gallons
40 gallons
Temperature
72°F - 78°F
72°F - 82°F
pH Range
8.1 - 8.4
6 - 8
Max Size
2.5 inches
6 inches
Lifespan
3-5 years
4-6 years
Diet
Frozen Mysis shrimp, Frozen brine shrimp, Marine pellets, Copepods
Flakes, Pellets, Frozen foods, Vegetables
Helfrichi Firefish
✓ Good For
- Community tanks
Opaline Gourami
✓ Good For
- Community tanks
- Beginners
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