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