B
Black Ghost Knife Fish
Apteronotus albifrons
VS
M
Medaka
Oryzias latipes
Choosing between Black Ghost Knife Fish 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.
Black Ghost Knife Fish
Apteronotus albifronsVS
Medaka
Oryzias latipesCommon Name
Black Ghost Knife Fish
Medaka
Scientific Name
Apteronotus albifrons
Oryzias latipes
Type
Freshwater
Freshwater
Difficulty
Advanced
Beginner Friendly
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
75 gallons
10 gallons
Recommended Tank
100 gallons
20 gallons
Temperature
73°F - 80°F
64°F - 75°F
pH Range
6 - 8
7 - 8
Max Size
20 inches
1.5 inches
Lifespan
10-15 years
2-4 years
Diet
Live or frozen bloodworms, Krill, Pellets, Small fish
Micro pellets, Crushed flakes, Frozen cyclops, Small live foods
Black Ghost Knife Fish
✓ Good For
Medaka
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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