B
Black Ghost Knife Fish
Apteronotus albifrons
VS
P
Peacock Gudgeon
Tateurndina ocellicauda
Choosing between Black Ghost Knife Fish and Peacock Gudgeon? 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
Peacock Gudgeon
Tateurndina ocellicaudaCommon Name
Black Ghost Knife Fish
Peacock Gudgeon
Scientific Name
Apteronotus albifrons
Tateurndina ocellicauda
Type
Freshwater
Freshwater
Difficulty
Advanced
Intermediate
Temperament
Semi-Aggressive
Peaceful
Minimum Tank
75 gallons
15 gallons
Recommended Tank
100 gallons
20 gallons
Temperature
73°F - 80°F
72°F - 79°F
pH Range
6 - 8
6.5 - 7.5
Max Size
20 inches
2.5 inches
Lifespan
10-15 years
4-6 years
Diet
Live or frozen bloodworms, Krill, Pellets, Small fish
Small pellets, Frozen foods, Live foods, Brine shrimp
Black Ghost Knife Fish
✓ Good For
Peacock Gudgeon
✓ Good For
- Community tanks
- Small tanks
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