M
Medaka
Oryzias latipes
VS
R
Rainbow Shark
Epalzeorhynchos frenatum
Choosing between Medaka and Rainbow Shark? 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.
Medaka
Oryzias latipesVS
Rainbow Shark
Epalzeorhynchos frenatumCommon Name
Medaka
Rainbow Shark
Scientific Name
Oryzias latipes
Epalzeorhynchos frenatum
Type
Freshwater
Freshwater
Difficulty
Beginner Friendly
Beginner Friendly
Temperament
Peaceful
Semi-Aggressive
Minimum Tank
10 gallons
30 gallons
Recommended Tank
20 gallons
55 gallons
Temperature
64°F - 75°F
72°F - 79°F
pH Range
7 - 8
6.5 - 7.5
Max Size
1.5 inches
6 inches
Lifespan
2-4 years
5-8 years
Diet
Micro pellets, Crushed flakes, Frozen cyclops, Small live foods
Algae wafers, Pellets, Vegetables, Flakes
Medaka
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
Rainbow Shark
✓ Good For
- Community tanks
- Beginners
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