J
Jack Dempsey
Rocio octofasciata
VS
M
Medaka
Oryzias latipes
Choosing between Jack Dempsey and Medaka? 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
Medaka
Oryzias latipesCommon Name
Jack Dempsey
Medaka
Scientific Name
Rocio octofasciata
Oryzias latipes
Type
Freshwater
Freshwater
Difficulty
Intermediate
Beginner Friendly
Temperament
Aggressive
Peaceful
Minimum Tank
55 gallons
10 gallons
Recommended Tank
75 gallons
20 gallons
Temperature
75°F - 80°F
64°F - 75°F
pH Range
6.5 - 8
7 - 8
Max Size
15 inches
1.5 inches
Lifespan
10-15 years
2-4 years
Diet
Cichlid pellets, Frozen foods, Live foods, Shrimp, Bloodworms, Vegetable matter
Micro pellets, Crushed flakes, Frozen cyclops, Small live foods
Jack Dempsey
✓ Good For
Medaka
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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