J
Jack Dempsey
Rocio octofasciata
VS
T
Turquoise Rainbowfish
Melanotaenia lacustris
Choosing between Jack Dempsey 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.
Jack Dempsey
Rocio octofasciataVS
Turquoise Rainbowfish
Melanotaenia lacustrisCommon Name
Jack Dempsey
Turquoise Rainbowfish
Scientific Name
Rocio octofasciata
Melanotaenia lacustris
Type
Freshwater
Freshwater
Difficulty
Intermediate
Intermediate
Temperament
Aggressive
Peaceful
Minimum Tank
55 gallons
40 gallons
Recommended Tank
75 gallons
55 gallons
Temperature
75°F - 80°F
72°F - 79°F
pH Range
6.5 - 8
7 - 8
Max Size
15 inches
4 inches
Lifespan
10-15 years
5-8 years
Diet
Cichlid pellets, Frozen foods, Live foods, Shrimp, Bloodworms, Vegetable matter
High-quality flake food, Small pellets, Frozen foods, Vegetable matter
Jack Dempsey
✓ Good For
Turquoise Rainbowfish
✓ Good For
- Community tanks
- Schooling displays
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