B
Black Ghost Knife Fish
Apteronotus albifrons
VS
S
Severum
Heros severus
Choosing between Black Ghost Knife Fish and Severum? 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
Severum
Heros severusCommon Name
Black Ghost Knife Fish
Severum
Scientific Name
Apteronotus albifrons
Heros severus
Type
Freshwater
Freshwater
Difficulty
Advanced
Intermediate
Temperament
Semi-Aggressive
Semi-Aggressive
Minimum Tank
75 gallons
55 gallons
Recommended Tank
100 gallons
75 gallons
Temperature
73°F - 80°F
74°F - 84°F
pH Range
6 - 8
6 - 7.5
Max Size
20 inches
12 inches
Lifespan
10-15 years
10-15 years
Diet
Live or frozen bloodworms, Krill, Pellets, Small fish
Cichlid pellets, Vegetables, Frozen foods, Spirulina, Algae wafers
Black Ghost Knife Fish
✓ Good For
Severum
✓ Good For
- Community tanks
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