B
Black Ghost Knife Fish
Apteronotus albifrons
VS
D
Discus
Symphysodon spp.
Choosing between Black Ghost Knife Fish and Discus? 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
Discus
Symphysodon spp.Common Name
Black Ghost Knife Fish
Discus
Scientific Name
Apteronotus albifrons
Symphysodon spp.
Type
Freshwater
Freshwater
Difficulty
Advanced
Advanced
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
75 gallons
55 gallons
Recommended Tank
100 gallons
75 gallons
Temperature
73°F - 80°F
82°F - 88°F
pH Range
6 - 8
6 - 7
Max Size
20 inches
8 inches
Lifespan
10-15 years
10-15 years
Diet
Live or frozen bloodworms, Krill, Pellets, Small fish
High-quality pellets, Beef heart, Frozen foods, Live foods
Black Ghost Knife Fish
✓ Good For
Discus
✓ Good For
- Community tanks
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