B
Black Ghost Knife Fish
Apteronotus albifrons
VS
G
Glowlight Tetra
Hemigrammus erythrozonus
Choosing between Black Ghost Knife Fish and Glowlight Tetra? 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
Glowlight Tetra
Hemigrammus erythrozonusCommon Name
Black Ghost Knife Fish
Glowlight Tetra
Scientific Name
Apteronotus albifrons
Hemigrammus erythrozonus
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
74°F - 82°F
pH Range
6 - 8
6 - 7.5
Max Size
20 inches
1.5 inches
Lifespan
10-15 years
2-4 years
Diet
Live or frozen bloodworms, Krill, Pellets, Small fish
Flakes, Micro pellets, Frozen foods, Live foods
Black Ghost Knife Fish
✓ Good For
Glowlight Tetra
✓ Good For
- Community tanks
- Beginners
- Small tanks
- Schooling displays
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