O

Opaline Gourami

Trichogaster trichopterus (Opaline variant)

VS
T

Turquoise Rainbowfish

Melanotaenia lacustris

Choosing between Opaline Gourami and Turquoise Rainbowfish? 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

Turquoise Rainbowfish

Melanotaenia lacustris
These fish can typically coexist peacefully
Common Name
Opaline Gourami
Turquoise Rainbowfish
Scientific Name
Trichogaster trichopterus (Opaline variant)
Melanotaenia lacustris
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Intermediate
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
30 gallons
40 gallons
Recommended Tank
40 gallons
55 gallons
Temperature
72°F - 82°F
72°F - 79°F
pH Range
6 - 8
7 - 8
Max Size
6 inches
4 inches
Lifespan
4-6 years
5-8 years
Diet
Flakes, Pellets, Frozen foods, Vegetables
High-quality flake food, Small pellets, Frozen foods, Vegetable matter

Opaline Gourami

✓ Good For

  • Community tanks
  • Beginners

Turquoise Rainbowfish

✓ Good For

  • Community tanks
  • Schooling displays
Explore More

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