H
Harlequin Rasbora
Trigonostigma heteromorpha
VS
J
Jack Dempsey
Rocio octofasciata
Choosing between Harlequin Rasbora and Jack Dempsey? 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.
Harlequin Rasbora
Trigonostigma heteromorphaVS
Jack Dempsey
Rocio octofasciataCommon Name
Harlequin Rasbora
Jack Dempsey
Scientific Name
Trigonostigma heteromorpha
Rocio octofasciata
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Intermediate
Temperament
Peaceful
Aggressive
Minimum Tank
10 gallons
55 gallons
Recommended Tank
20 gallons
75 gallons
Temperature
72°F - 81°F
75°F - 80°F
pH Range
6 - 7.5
6.5 - 8
Max Size
2 inches
15 inches
Lifespan
5-8 years
10-15 years
Diet
High-quality flake food, Micro pellets, Frozen daphnia, Bloodworms, Brine shrimp
Cichlid pellets, Frozen foods, Live foods, Shrimp, Bloodworms, Vegetable matter
Harlequin Rasbora
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
Jack Dempsey
✓ Good For
Explore More
Similar Comparisons
Discover other popular fish pairings to find your perfect aquarium match.