B
Black Ghost Knife Fish
Apteronotus albifrons
VS
B
Blue Acara
Andinoacara pulcher
Choosing between Black Ghost Knife Fish and Blue Acara? 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
Blue Acara
Andinoacara pulcherCommon Name
Black Ghost Knife Fish
Blue Acara
Scientific Name
Apteronotus albifrons
Andinoacara pulcher
Type
Freshwater
Freshwater
Difficulty
Advanced
Intermediate
Temperament
Semi-Aggressive
Semi-Aggressive
Minimum Tank
75 gallons
30 gallons
Recommended Tank
100 gallons
40 gallons
Temperature
73°F - 80°F
72°F - 80°F
pH Range
6 - 8
6.5 - 8
Max Size
20 inches
6 inches
Lifespan
10-15 years
8-10 years
Diet
Live or frozen bloodworms, Krill, Pellets, Small fish
Cichlid pellets, Frozen foods, Bloodworms, Brine shrimp, Vegetable matter
Black Ghost Knife Fish
✓ Good For
Blue Acara
✓ Good For
- Community tanks
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