D

Discus

Symphysodon spp.

VS
H

Harlequin Rasbora

Trigonostigma heteromorpha

Choosing between Discus and Harlequin Rasbora? 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.

Discus

Symphysodon spp.
VS

Harlequin Rasbora

Trigonostigma heteromorpha
These fish can typically coexist peacefully
Common Name
Discus
Harlequin Rasbora
Scientific Name
Symphysodon spp.
Trigonostigma heteromorpha
Type
Freshwater
Freshwater
Difficulty
Advanced
Beginner Friendly
Temperament
Peaceful
Peaceful
Minimum Tank
55 gallons
10 gallons
Recommended Tank
75 gallons
20 gallons
Temperature
82°F - 88°F
72°F - 81°F
pH Range
6 - 7
6 - 7.5
Max Size
8 inches
2 inches
Lifespan
10-15 years
5-8 years
Diet
High-quality pellets, Beef heart, Frozen foods, Live foods
High-quality flake food, Micro pellets, Frozen daphnia, Bloodworms, Brine shrimp

Discus

✓ Good For

  • Community tanks

Harlequin Rasbora

✓ Good For

  • Community tanks
  • Beginners
  • Small tanks
  • Schooling displays
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