C
Costello Tetra
Hemigrammus hyanuary
VS
J
Jack Dempsey
Rocio octofasciata
Choosing between Costello Tetra 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.
Costello Tetra
Hemigrammus hyanuaryVS
Jack Dempsey
Rocio octofasciataCommon Name
Costello Tetra
Jack Dempsey
Scientific Name
Hemigrammus hyanuary
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 - 79°F
75°F - 80°F
pH Range
5.5 - 7
6.5 - 8
Max Size
2 inches
15 inches
Lifespan
3-5 years
10-15 years
Diet
High-quality flake food, Micro pellets, Brine shrimp, Daphnia
Cichlid pellets, Frozen foods, Live foods, Shrimp, Bloodworms, Vegetable matter
Costello Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
Jack Dempsey
✓ Good For
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